The highest-ranking official in New Jersey Gov. Chris Christie's administration to testify before lawmakers about last fall's traffic jams tells the panel he plans to fully answer its questions.
The official, Kevin O'Dowd, is Christie's chief of staff. He says he had no advance knowledge of the plot to block traffic near the George Washington Bridge in September.
The panel hopes to gain more information about who in the Republican governor's circle ordered traffic diverted near the bridge to create gridlock in the town of Fort Lee as political retribution.
The scandal has threatened the presidential ambitions of Christie, considered a top contender if he decides to run in 2016. He has denied advance knowledge of the scheme.
O'Dowd is also Christie's nominee to be the state's next attorney general.
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