In an appearance on Face the Nation Sunday, the New Jersey lawmaker heading the investigation into "Bridgegate" said it's too soon to determine if any knowledge or involvement in the scandal by Gov. Chris Christie could lead to impeachment, although he didn't quite rule out the possibility.

(Credit: CBS News/Face the Nation)
(Credit: CBS News/Face the Nation)
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In the wake of Christie's marathon Bridgegate press conference last week and subsequent apologies to New Jerseyans, Democratic Assemblyman John Wisniewski appeared on CBS News' "Face the Nation." The legislator questioned the governor's ongoing insistence that he was unaware of the politically-motivated lane closures that caused significant traffic jams from Sept. 9 though Sept. 13 of last year in Fort Lee near the George Washington Bridge.

"If it becomes known that the governor was involved and approved (the unannounced lane closures in Fort Lee), that raises serious questions that the Assembly should look at," Wisniewski said on the show.

Bridgegate dominated political talk shows Sunday morning, as lawmakers, writers and analysts weighed in on the controversy. On NBC's Meet the Press, panelists discussed whether or not Bridgegate could negatively impact Christie should he decide to run for president. Commentators maintained that this is a "survivable scandal" for the governor, pointing out that there is still no "smoking gun" that directly links Christie to Bridgegate.

On ABCs "This Week," former New York City Mayor Rudy Giuliani said Bridgegate could put Christie's career at risk if he isn't being completely honest.

On Friday, several thousand pages of documents were made available digitally by the legislative committee investigating Bridgegate. The documents do not appear to resolve key questions being explored by legislative investigations, as well as an inquiry by the U.S. Attorney for New Jersey. 

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