
New Jersey Attorney General Jeffrey Chiesa (left), 47, listens June 6, 2013, in Trenton, N.J., as Gov. Chris Christie announces that Chiesa will temporarily fill the U.S. Senate seat that opened up this week after Frank Lautenberg's death. (Associated Press)

New Jersey Attorney General Jeffrey Chiesa (left), 47, listens June 6, 2013, in Trenton, N.J., as Gov. Chris Christie announces that Chiesa will temporarily fill the U.S. Senate seat that opened up this week after Frank Lautenberg's death. (Associated Press)

** FILE ** In this May 23, 2013, file photo, New Jersey Attorney General Jeffrey Chiesa talks about an investigation dubbed "Operation Swill," at a news conference in Trenton, N.J. New Jersey Gov. Chris Christie has named Chiesa to temporarily fill the U.S. Senate seat that opened up this week after Frank Lautenberg's death. (AP Photo/Julio Cortez)

** FILE ** In this May 23, 2013, file photo, New Jersey Attorney General Jeffrey Chiesa talks about an investigation dubbed "Operation Swill," at a news conference in Trenton, N.J. New Jersey Gov. Chris Christie has named Chiesa to temporarily fill the U.S. Senate seat that opened up this week after Frank Lautenberg's death. (AP Photo/Julio Cortez)

Tea party favorite Joe Miller has filed paperwork to formally enter the U.S. Senate race in Alaska. (Associated Press)

Republican candidate for the U.S. Senate Gabriel Gomez, center, gives a thumbs up as he takes to the stage next to his daughter Olivia, 13, left, before addressing an audience with a victory speech at a watch party, in Cohasset, Mass., Tuesday, April 30, 2013. Gomez won his primary bid for the Republican nomination to contest a U.S. Senate seat, defeating Republican hopefuls Michael Sullivan and Dan Winslow. (AP Photo/Steven Senne)

Republican candidate for the U.S. Senate Gabriel Gomez, center, gives a thumbs up as he takes to the stage next to his daughter Olivia, 13, left, before addressing an audience with a victory speech at a watch party, in Cohasset, Mass., Tuesday, April 30, 2013. Gomez won his primary bid for the Republican nomination to contest a U.S. Senate seat, defeating Republican hopefuls Michael Sullivan and Dan Winslow. (AP Photo/Steven Senne)

** FILE ** Former U.S. Senate Majority Leader Trent Lott sports a seersucker suit as he hosts Seersucker Thursday at Occidental Grill & Seafood in Washington in 2012. Mr. Lott started the tradition in 1996 as a way to promote friendly relations among senators who might disagree on political issues. (The Washington Times)

Richard Cordray, President Obama's pick to head the Consumer Financial Protection Bureau, testifies March 12, 2013, at his confirmation hearing in front of the U.S. Senate Banking, Housing and Urban Affairs Committee on Capitol Hill. (Andrew Harnik/The Washington Times)