Question: Maria Handley was a member of which former basketball player and Senator's campaign?

Context paragraphs:
Bill Bradley: William Warren Bradley (born July 28, 1943) is an American former professional basketball player and politician.  He served three terms as a Democratic U.S. Senator from New Jersey.  He ran unsuccessfully for the Democratic Party's nomination for President in the 2000 election.

Igor Rakočević: Igor Rakočević (; born March 29, 1978) is a retired Serbian professional basketball player.  He is 1.94 m (6 ft 4 ½ in) tall.  A two-time All-EuroLeague Team member and three-time Alphonso Ford Trophy winner, he played at both the point guard and shooting guard positions, but spent the vast majority of his career playing as a shooting guard.  He is the son of Serbian former basketball player Goran Rakočević, who played as a point guard for Crvena zvezda.  Since February 2015, he has been a vice-president of the Basketball Federation of Serbia, in charge of men’s basketball.

Jason Capel: Jason Maurice Capel (born January 15, 1980) was the 15th head coach of the Appalachian State Mountaineers men's basketball team.  He is a former basketball player for the North Carolina Tar Heels, and is the brother of Jeff Capel, former Duke University basketball player and current Duke University assistant coach.  Capel provided color commentary for ACC basketball games on Raycom Sports during the 2007–2008 college basketball season.  He is a member of the Kappa Alpha Psi fraternity.  He is married to his college sweetheart Ashley Heath, also a graduate of UNC.

Robert Jaworski: Robert Vincent Salazar Jaworski (born March 8, 1946 in Baguio City, Philippines), also known as Sonny Jaworski, Bobby Jaworski, Robert Jaworski, Sr. is a former Philippine senator, former basketball coach and former basketball player.

Ram Kumar (basketball): Ram Kumar (born 4 February 1964) is a former Indian basketball player and coach of the junior Indian team.  He is currently the coach of the Rail Coach Factory, Kapurthala team, and has been a long-standing coach of the Indian Railways men's team.  He played for India during 1985 to 1996 and represented the Indian national basketball team at several international championships.  He also served as the captain of Indian national basketball team from 1991 to 1995.  He played the position of shooting guard.  In the National Championships, Ram Kumar represented Indian Railways and during his playing days, Indian Railways won eight Gold, three Silver, and three Bronze medals.  Ram Kumar is the son of former basketball player Khushi Ram, an Arjuna awardee and the brother of Ashok Kumar, also an India international player.  He is a recipient of Dhyan Chand Award in 2003 for lifetime achievement in Indian basketball.

Maria Handley: Maria Handley (born 4 October 1977) is a member-at-large of the Democratic National Committee from Colorado.  A veteran of both Bill Bradley and Howard Dean's campaigns for the Democratic presidential nomination, Handley was appointed by Dean to the DNC.

Alekos Spanoudakis: Alexandros "Alekos" Spanoudakis (Greek: Αλέξανδρος "Αλέκος" Σπανουδάκης ) is a Greek former basketball player.  He represented the senior men's Greek national basketball team.  Along with his brother, Ioannis, he is considered to be one of the early leading pioneers of the sport of modern basketball in the country of Greece.  While a member of the Greek Basket League club Olympiacos, he became the first Greek basketball player to shoot jump shots in the modern style and technique, in the 1950s.

Tanner Smith (basketball): Tanner James Smith (born March 30, 1990) is a former American professional basketball player for MHP Riesen Ludwigsburg in the Basketball Bundesliga in Germany and a former basketball player for Clemson University and Landstede Basketball in the Netherlands.  He currently serves as the Director of Basketball Operations for the Charlotte 49ers Basketball Team.  He has been noted by such sources as The Post and Courier, The Times and Democrat, and The Atlanta Journal-Constitution for founding Tanner’s Totes, an organization that helps to cheer up children and teenagers with cancer through donations of large tote bags filled with toys and other recreational items.  Tanner's Totes have delivered to hospitals in 25 states across the US.  Over 3000 totes have been delivered.  Smith has also been interviewed by ESPN in print and in televised interviews and has been featured on the ABC special "Everyday Health".

Hortência Marcari: Hortência Maria de Fátima Marcari (born September 23, 1959) is a former basketball player who is often considered to be one of the greatest female basketball players in Brazil, along with Paula, and regarded by specialists as one of the world's greatest female basketball players of all time.  Marcari is a member of the Women's Basketball Hall of Fame (inducted in 2002), the Naismith Memorial Basketball Hall of Fame (inducted in 2005), and FIBA Hall of Fame (inducted in 2007).  She is known in her country as Hortência, and her nickname is "The Queen".

Eduardo Portela: Eduardo Portela Marín (born 1934 in Barcelona, Catalonia, Spain) is a Spanish former basketball player, former basketball coach, and basketball executive.  He is the former head of the ACB, the governing body of the top-tier level Spanish professional club basketball league, and the former head of ULEB, the Union of European Leagues of Basketball.

Supporting paragraphs: Maria Handley Bill Bradley
Answer: William Warren Bradley