pNow can we take Donald Trump seriously? The real estate mogul won big in the New Hampshire primary on Tuesday, with no clear moderate emerging from a still-crowded Republican field to challenge him. Just as improbable was the 21-point lead by Bernie Sanders over Hillary Clinton, his only rival on the Democratic side. How can it be that faced with an unabashed Socialist who's not even a member of her party, the former first lady and secretary of state suddenly seems very beatable?pbr Produced by Charles WENTE, François WIBAUX and Van MEGUERDITCHIAN.