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?
Related documents: [0]  [DOC] 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. [END] 
[1]  [DOC] 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. [END] 
Answer: 
Robert Patrick "Bob" Casey Jr.
Robert Patrick "Bob" Casey Jr.