Atlantic City's local officials backed a revised plan proposed by New Jersey Governor Chris Christie on Tuesday that called for the city to be rescued through additional layers of state oversight and new revenue sources. The plan, which Christie introduced with state Senate President Steve Sweeney and Atlantic City Mayor Don Guardian by his side, combines elements of previous proposals to save the distressed gambling hub. [...] Christie's joint plan on Tuesday, which he said he wants to get cleared by the end of February, would allow the state to restructure city debt and terminate municipal contracts, including with labor...