New Jersey Gov. Chris Christie (R) said concerns that his weight would prevent him from serving as president were “ridiculous” in an interview set to air Wednesday. In an interview for Barbara Walters’s “10 Most Fascinating People” series, the broadcast veteran asked the New Jersey governor how he would respond to “people who say that you couldn’t be president because you're so heavy.” “That’s ridiculous, I mean, that’s ridiculous,” Christie responded. “I mean, I don’t know what the basis for that is.” …