New Jersey Gov. Chris Christie hopes to reset his political fortunes with his presidential announcement on Tuesday. Scott Olson/Getty Images hide caption
David Wildstein speaks during a hearing at the Statehouse in Trenton, N.J., on Jan. 9, 2014. He pleaded guilty Friday to two counts of conspiracy in the "Bridgegate" case. Mel Evans/AP hide caption
Republican presidential hopeful Sen. Ted Cruz speaks at the Republican Leadership Summit Saturday in Nashua, N.H. Jim Cole/AP hide caption
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New Jersey Gov. Chris Christie waves to reporters as he leaves Downing Street in London on Monday. Peter Macdiarmid/Getty Images hide caption
New Jersey Gov. Chris Christie talks with Dallas Cowboys team owner Jerry Jones, as the team warms up before Sunday's NFL playoff game against the Detroit Lions. Brandon Wade/AP hide caption
New Jersey Gov. Chris Christie. Jeff Zelevansky/Getty Images hide caption
A man is removed by security guards while he shots slogans to New Jersey Governor Chris Christie during a public event in Belmar, N.J. Kena Betancur/Getty Images hide caption
New Jersey Gov. Chris Christie leaves the Fort Lee, N.J., City Hall on Jan. 9. Louis Lanzano/AP hide caption
New Jersey Governor Chris Christie waves to guests as he attends the Super Bowl Hand-Off Ceremony in New York on Saturday. Eduardo Munoz/Reuters/Landov hide caption
David Wildstein, who says Gov. Christie knew about the lane closures as they were happening, speaks during a hearing at the Statehouse in Trenton earlier this month. Mel Evans/AP hide caption
New Jersey Gov. Chris Christie listens during a Jan. 9 news conference in which he denied any knowledge of lane closings on the George Washington Bridge when they occurred in September. Mel Evans/AP hide caption
New Jersey Gov. Chris Christie joins Lt. Gov. and Secretary of State Kim Guadagno (right) at a statewide prayer service in Newark marking the one-year anniversary of Superstorm Sandy, in October. Eric Thayer/AP hide caption