Question: The Global Food Security Act of 2016, is a law introduced on March 24, 2015 in the 114th Congress by which Senator of Pennsylvania, who is an American attorney and politician, currently the senior United States Senator from Pennsylvania?

full_context: Document 1: Robert F. Kennedy: Robert Francis "Bobby" Kennedy (November 20, 1925 – June 6, 1968) was an American politician and lawyer from Massachusetts. He served as the United States junior senator from New York from January 1965 until his assassination in June 1968. He was previously the 64th U.S. Attorney General from January 1961 to September 1964, serving under his older brother President John F. Kennedy and his successor, President Lyndon B. Johnson. Kennedy was a member of the Democratic Party, and is seen as an icon of modern American liberalism.
Document 2: Healthy, Hunger-Free Kids Act of 2010: The Healthy, Hunger-Free Kids Act of 2010 (Pub.L. 111–296 ) is a federal statute signed into law by President Barack Obama on December 13, 2010. The bill is part of the reauthorization of funding for child nutrition (see the original Child Nutrition Act). The bill funds child nutrition programs and free lunch programs in schools for the next 5 years. In addition, the bill sets new nutrition standards for schools, and allocates $4.5 billion for their implementation. The new nutrition standards have been a point initiative of First Lady Michelle Obama in her fight against childhood obesity as part of her Let's Move! initiative. In FY 2011, federal spending totaled $10.1 billion for the National School Lunch Program. The Healthy, Hunger-Free Kids Act allows USDA, for the first time in 30 years, opportunity to make real reforms to the school lunch and breakfast programs by improving the critical nutrition and hunger safety net for millions of children. Healthy, Hunger-Free Kids Act and Michelle Obama were a step in transforming the food pyramid recommendation, which has been around since the early 1990s, into what is now known as "MyPlate".
Document 3: Global Food Security Act of 2009: The Global Food Security Act of 2009, also known as the Lugar-Casey Food Security Bill, is a bill introduced February 5, 2009 in the 111th Congress by Richard Lugar (Indiana-R) and sponsored by Robert Casey (Pennsylvania-D), Mark Begich (Alaska-D), Roland Burris (Illinois-D), Susan Collins (Maine-R), Richard Durbin (Illinois-D), Thomas Harkin (Iowa-D), John Kerry (Massachusetts-D), and Mary Landrieu (Louisiana-D) to the United States Senate as .
Document 4: Pennsylvania Attorney General election, 2004: Pennsylvania's Attorney General election was held November 2, 2004. Necessary primary elections were held on April 27, 2004. Tom Corbett was elected Attorney General, a position that he had held from 1995-97 after being appointed by Governor Tom Ridge to fill a vacancy. Corbett, who had been a U.S. Attorney, narrowly defeated Montgomery County District Attorney Bruce Castor in the Republican primary, then won by an even tighter margin in the general election. Corbett's Democratic opponent was Jim Eisenhower, the 2002 nominee who had once served as an Assistant U.S. Attorney and had been a close confidant of Governor Ed Rendell. Eisenhower won in a primary that featured three top-tier candidates: his opponents were David Barasch, a former U.S. Attorney, and John Morganelli, the Northampton County District Attorney who was narrowly defeated by Eisenhower in the previous Democratic primary for this position.
Document 5: Ernie Preate: Ernest D. Preate, Jr. (born November 22, 1940) is a former Republican Pennsylvania Attorney General. As Attorney General, he argued before the United States Supreme Court in the landmark case, Planned Parenthood of Southeast Pennsylvania v. Casey on behalf of Robert P. Casey, then governor of Pennsylvania. Preate also successfully argued another landmark case, Blystone v. Pennsylvania in the United States Supreme Court addressing the death penalty.
Document 6: Nancy Stetson: Nancy Stetson is the United States Special Representative for Global Food Security, responsible for leading all aspects of U.S. diplomacy related to food security and nutrition, appointed by U.S. Secretary of State John Kerry on June 23, 2014. She is also the Deputy Coordinator for Diplomacy for Feed the Future - the US government's global hunger and food security initiative. In October 2016, Ambassador Stetson was the deputy head of delegation for the U.S. party to Habitat III - the United Nations Conference on Housing and Sustainable Urban Development.
Document 7: Patrick Leahy: Patrick Joseph Leahy (born March 31, 1940) is an American politician and the senior United States Senator from Vermont, since 1975. A member of the Democratic Party, Leahy served as the President pro tempore of the United States Senate from December 17, 2012, to January 6, 2015. As President pro tempore, he was third in the presidential line of succession. He is the most senior senator and took office at 34 years old, younger than any other current senator. Leahy received the title of President pro tempore emeritus upon the commencement of the 114th Congress. He is the last remaining member of the Senate to have served prior to the 1976 election of President Jimmy Carter.
Document 8: Bob Casey Jr.: Robert Patrick Casey Jr. (born April 13, 1960) is an American attorney and politician, currently the senior United States Senator from Pennsylvania. He previously served as Pennsylvania Auditor General from 1997 to 2005 and as Pennsylvania Treasurer from 2005 to 2007.
Document 9: Industrial Hemp Farming Act of 2009: The Industrial Hemp Farming Act of 2009 is a bill that was introduced in the United States House of Representatives by Ron Paul (R-Texas) and Barney Frank (D-Massachusetts) on April 2, 2009. Also known as H.R.1866, the bill clarifies the differences between marijuana and industrial hemp as well as repeals federal laws that prohibit American farmers from cultivating industrial hemp. Industrial hemp is the non-psychoactive, low-THC, oilseed and fibers varieties of the cannabis sativa plant. Hemp is a sustainable resource that can be used to create thousands of different products including fuel, fabrics, paper, household products, and food and has been used for hundreds of centuries by civilizations around the world. If H.R.1866 passes American farmers will be permitted to compete in global hemp markets. On March 10, 2009, both Paul and Frank wrote a letter to their Congressional colleagues urging them to support the legislation. This bill was previously introduced in 2005 under the title of Industrial Hemp Farming Act of 2005.
Document 10: Hunter Biden: Robert Hunter Biden (born February 4, 1970) is the second son of former U.S. Vice President Joe Biden and his first wife, Neilia Biden. He is a partner at Rosemont Seneca Partners, LLC and is Counsel to Boies, Schiller, Flexner, LLP, a New York-based-law firm.
Document 11: Global food security index: The global food security index consists of a set of indices from 105 countries. It measures food security across most of the countries of the world. Countries that score top rating are the United States, Denmark, Norway and France.
Document 12: Bob Barr: Robert Laurence Barr Jr. (born November 5, 1948) is an American former federal prosecutor and a former Congressman.
Document 13: Global Food Security Act of 2016: The Global Food Security Act of 2016 (Pub.L. 114–195 ), is a law introduced on March 24, 2015 in the 114th Congress by Representative Christopher Henry "Chris" Smith (New Jersey-R) and on May 7, 2015 by Senator Robert Patrick "Bob" Casey Jr. (Pennsylvania-D), and signed by President Barack Obama on July 20, 2016.
Document 14: Pat Toomey: Patrick Joseph Toomey (born November 17, 1961) is an American businessman, politician, and the junior United States Senator from Pennsylvania, in office since 2011. A member of the Republican Party, Toomey served as the United States Representative for Pennsylvania 's 15 congressional district for three terms, from 1999 to 2005, but he did not seek a fourth term in compliance with a term limits pledge he had made while running for office in 1998.
Document 15: Chris Smith (New Jersey politician): Christopher Henry Smith (born March 4, 1953) is the U.S. Representative for New Jersey 's 4 congressional district , serving since 1981. He is a member of the Republican Party. The district includes portions of Mercer, Monmouth and Ocean Counties. He is currently the dean of the New Jersey congressional delegation. In August 2017, Smith was nominated by President Donald Trump to become a representative to the United Nations General Assembly. He served in the same capacity in 2015 after being nominated by President Barack Obama.
ground_truth: Robert Patrick "Bob" Casey Jr.