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?
Sentence (from "Bob Casey Jr."): He previously served as Pennsylvania Auditor General from 1997 to 2005 and as Pennsylvania Treasurer from 2005 to 2007.
Relevant evidence: No