Chris Christie's bridge scandal explained

POSTED: 08:04 AM PST Jan 10, 2014    UPDATED: 02:11 PM PDT Mar 31, 2014 
Chris Christie apologizes

What started with days of traffic jams in an obscure New Jersey town has now become a major scandal for New Jersey Gov. Chris Christie -- one of the most prominent U.S. politicians. Here's what you need to know.