This TV publicity image released by Fox shows James Purefoy as serial killer Joe Carroll confronting his next victim in the "Welcome Home" episode of "The Following." A study of 392 prime-time scripted programs on broadcast networks shown in the month following Vice President Joe Biden's January meeting with entertainment industry executives revealed that 193 had some incident of violence, according to the Parents Television Council. (AP Photo/Fox, David Giesbrecht)
President Obama and Vice President Joe Biden pose with the full Cabinet for an official group photo in the Grand Foyer of the White House, July 26, 2012. (Official White House Photo by Chuck Kennedy)
President Obama and Vice President Joe Biden pose with the full Cabinet for an official group photo in the Grand Foyer of the White House, July 26, 2012. (Official White House Photo by Chuck Kennedy)
President Barack Obama meets with members of his national security team to discuss developments in the Boston bombings investigation, in the Situation Room of the White House, April 19, 2013. Pictured, from left, are: FBI Director Robert Mueller; Lisa Monaco, Assistant to the President for Homeland Security and Counterterrorism; Attorney General Eric Holder; Deputy National Security Advisor Tony Blinken; and Vice Persident Joe Biden. (Official White House Photo by Pete Souza)
** FILE ** Vice President Joe Biden gives a thumbs-up before President Barack Obama's State of the Union address in front of a joint session of Congress Tuesday, Jan. 24, 2012, at the Capitol in Washington. (AP Photo/Saul Loeb, Pool)
** FILE ** Vice President Joe Biden gives a thumbs-up before President Barack Obama's State of the Union address in front of a joint session of Congress Tuesday, Jan. 24, 2012, at the Capitol in Washington. (AP Photo/Saul Loeb, Pool)
** FILE ** Vice President Joe Biden speaks at a gun violence conference in Danbury, Conn. Gov. Dannel P. Malloy also addressed the event organized by the state's congressional delegation to push President Barack Obama's gun control proposals. Thursday, Feb. 21, 2013.
Vice President Joe Biden speaks at a gun violence conference in Danbury, Conn. Gov. Dannel P. Malloy also addressed the event organized by the state's congressional delegation to push President Barack Obama's gun control proposals. Thursday, Feb. 21, 2013.
U.S. Vice President Joe Biden, right, and Italian Premier Mario Monti review the honor guard at Rome's Chigi palace Premier's office, Monday, March 18, 2013. Joe Biden led the U.S. delegation to newly elected Pope Francis' installation in Rome. (AP Photo/Alessandra Tarantino)
