NEW JERSEYKey figures in BridgegateDavid Wildstein, center, walks with his attorney Alan Zegas, center right partially blocked after Zegas addressed the media outside federal court after a hearing Friday, May 1, 2015, in Newark, N.J. Wildstein,, a former ally of Gov. Chris Christie pleaded guilty Friday to helping engineer traffic jams at the George Washington Bridge in a political payback scheme he said also involved two other Christie loyalists. But he did not publicly implicate Christie himself.(AP Photo/Mel Evans)Mel Evans, APDavid Wildstein, left, and his attorney Alan Zegas, right, drive from federal court after a hearing Friday, May 1, 2015, in Newark, N.J. Wildstein,, a former ally of Gov. Chris Christie pleaded guilty Friday to helping engineer traffic jams at the George Washington Bridge in a political payback scheme he said also involved two other Christie loyalists. But he did not publicly implicate Christie himself.(AP Photo/Mel Evans)Mel Evans, APN.J. Gov. Chris Christie listens as he is announced before speaking to the Northern Virginia Technology Council (NVTC) in Tyson's Corner, Va., Friday, May 1, 2015. (AP Photo/Cliff Owen)Cliff Owen, APUnited States Attorney for the District of New Jersey, Paul J. Fishman, front left, walks from federal court after a hearing for David Wildstein Friday, May 1, 2015, in Newark, N.J. Wildstein,, a former ally of Gov. Chris Christie pleaded guilty Friday to helping engineer traffic jams at the George Washington Bridge in a political payback scheme he said also involved two other Christie loyalists. But he did not publicly implicate Christie himself. (AP Photo/Mel Evans)Mel Evans, APDavid Wildstein, center, listens as his attorney Alan Zegas, center left at podium, addresses the media as they leave federal court after a hearing Friday, May 1, 2015, in Newark, N.J. Wildstein, a former ally of Gov. Chris Christie pleaded guilty Friday to helping engineer traffic jams at the George Washington Bridge in a political payback scheme he said also involved two other Christie loyalists. But he did not publicly implicate Christie himself. (AP Photo/Mel Evans)Mel Evans, APDavid Wildstein, center right, listens as his attorney Alan Zegas, center at podium, addresses the media as they leave federal court after a hearing Friday, May 1, 2015, in Newark, N.J. Wildstein,, a former ally of Gov. Chris Christie pleaded guilty Friday to helping engineer traffic jams at the George Washington Bridge in a political payback scheme he said also involved two other Christie loyalists. But he did not publicly implicate Christie himself. (AP Photo/Mel Evans)Mel Evans, APDavid Wildstein, center, listens to his attorney Alan Zegas, center right at podium address the media as they leave federal court after a hearing Friday, May 1, 2015, in Newark, N.J. Wildstein, a former ally of Gov. Chris Christie pleaded guilty Friday to helping engineer traffic jams at the George Washington Bridge in a political payback scheme he said also involved two other Christie loyalists. But he did not publicly implicate Christie himself. (AP Photo/Mel Evans)Mel Evans, APAttorney Alan Zegas reads a statement to the media as David Wildstein listens in after his first appearance at Martin Luther King Jr. Federal Courthouse in Newark, N.J. Friday, May 1, 2015. Wildstein pleaded guilty Friday to helping engineer traffic jams at the George Washington Bridge in a political payback scheme he said also involved two other Chris Christie loyalists. But he did not publicly implicate Christie himself. (AP Photo/Rich Schultz)Rich Schultz, APGary Shapiro, president and CEO, Consumer Electronics Association, right, announces N.J. Gov. Chris Christie before Christie spoke before the Northern Virginia Technology Council (NVTC) in Tyson's Corner, Va., Friday, May 1, 2015. (AP Photo/Cliff Owen)Cliff Owen, APN.J. Gov. Chris Christie speaks at the Northern Virginia Technology Council (NVTC) in Tyson's Corner, Va., Friday, May 1, 2015. (AP Photo/Cliff Owen)Cliff Owen, APBill Baroni, former deputy executive director of the Port Authority of New York and New Jersey, has been charged in the Bridgegate case.Staff PhotoBridget Anne Kelly, Gov. Chris Christie's former deputy chief of staff, will be charged in the Bridgegate case, her lawyer said Friday.Mel Evans, AP