By David Martosko, U.s. Political Editor A haggard-looking Bridget Kelly, the former Chris Christie deputy chief of staff whose emails and text messages launched the 'Bridgegate' scandal, appeared in a New Jersey courtroom as her lawyers sparred with prosecutors over whether she can use the Fifth Amendment to block document subpoenas. Kelly arrived at the courthouse for her first public appearance since the national fascination with her part in the scandal began, appearing none too pleased to be there but resigned to her personal stake in the rulings that will likely determine her legal future. Gurn and bear it: New Jersey Governor Chris Christie's former deputy chief of staff Bridget Anne Kelly faced a crush of media as she arrived at Mercer County Court in Trenton, New Jersey
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Bridget Kelly and Bill Stepien are defying Democrats on a state legislative committee, refusing to turn over documents that might incriminate them
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Lawyers battled on Tuesday over whether a handful of emails pointed to the existence of many others
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Reid Schar, a prosecutor famous for putting corrupt Illinois Governor Rod Blagojevich in prison, insisted that he wasn't on a 'fishing expedition'
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A judge could quash the committee's subpoenas, denying investigators access to emails, text messages and phone records
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Gov. Chris Christie fired Kelly and muscled Stepien out of state Republican politics in January, insisting he never knew of a scheme to use traffic lane closures to punish a Democratic mayor who didn't endorse his re-election
committee hired @placeholder in January to lead a probe into the state's