State Sen. Jason Carter, D-Decatur, who is running for governor of Georgia, speaks during a press conference outside the Capitol on Tuesday April 8, 2014. Carter called for an independent investigation into Gov. Nathan Deal's 2010 campaign. On Friday April 4, 2014 a Fulton County jury found the state ethics commission executive director, Stacey Kalberman, was unfairly forced from office as retribution for investigating Deal's 2010 campaign. (AP Photo/Atlanta Journal-Constitution, Brant Sanderlin) MARIETTA DAILY OUT; GWINNETT DAILY POST OUT; LOCAL TV OUT; WXIA-TV OUT; WGCL-TV OUT
In this Feb. 24, 2014 photo, Ohio Gov. John Kasich delivers his State of the State address in Medina, Ohio. With no primary challenger, Kasich will face the winner of the Democratic primary between Ed FitzGerald and Larry Ealy in November. (AP Photo/Tony Dejak)
This March 25, 2014 photo shows Ohio Democratic gubernatorial candidate Larry Ealy during an interview in Columbus Ohio. Ealy, 51, is challenging Cuyahoga County Executive Ed FitzGerald in the May primary with the winner facing off against incumbent Ohio Gov. John Kasich in the November general election. (AP Photo/Ann Sanner).
In this April 1, 2014 photo, Ohio Democratic gubernatorial candidate Ed FitzGerald speaks outside the Cuyahoga County Board of Elections in Cleveland after voting on the first day of early voting for the May 6 primary. FitzGerald is being challenged for the democratic nomination by Larry Ealy with the winner facing off against incumbent Ohio Gov. John Kasich in the November general election. (AP Photo/Mark Duncan)
Seen here at a Senate hearing in December 1992 long before either ran for president, Sen. John Kerry (left) listens to Sen. John McCain. Mr. Kerry offered Mr. McCain the No. 2 spot on his ticket in 2004, but now says he is not fit for the White House.
Senate Majority Leader Harry Reid of Nev. pauses during a news conference on Capitol Hill in Washington, Tuesday, April 8, 2014, to call attention to the gender pay gap as the Senate begins debate on wage equity. (AP Photo/J. Scott Applewhite)
Secretary of State John Kerry testifies on Capitol Hill in Washington, Tuesday, April 8, 2014, before the Senate Foreign Relations Committee to discuss his budget and the status of diplomatic hot spots. Lawmakers' questions focused on Russia, Ukraine, Iran and Syria. Kerry, a former chairman of the Foreign Relations Committee, threatened Russia with tougher economic sanctions if it fails to back down from its chaotic involvement in Ukraine. (AP Photo/J. Scott Applewhite)
Senate Majority Leader Harry Reid of Nev. talks about the gender pay gap as the Senate begins debate on wage equity, during a news conference, Tuesday, April 8, 2014, on Capitol Hill in Washington. (AP Photo/J. Scott Applewhite)
Pro-Russian activists set their flags over the entrance to the regional administration building in Donetsk, Ukraine, Tuesday, April 8, 2014. In the city protesters dug in for their third day at the 11-story regional administration headquarters they captured on Sunday and began to declare their own parallel government. Ukrainian authorities on Tuesday reasserted control over an administration building in the country’s second-largest city of Kharkiv, 250 Km ( 155 miles) north of Donetsk, which had been seized by pro-Russian protesters, and authorities detained some dozens. (AP Photo/Efrem Lukatsky)
French couturier Jean Paul Gaultier looks on after he signed on the wall to launch of his exhibition 'The Fashion World of Jean Paul Gaultier : From the Sidewalk to the Catwalk' at the Barbican Art Gallery in London, Tuesday, April 8, 2014. (AP Photo/Sang Tan)