Courting powerful Jewish donors for the second time in two months, New Jersey Gov. Chris Christie called Sunday for a more aggressive foreign policy that defends American values abroad — even in "in some very messy, difficult places." "The rest of the world watches in desperation and hope that America will realize and act upon once again its indispensable place in the world," Christie, a prospective Republican presidential contender, said in a keynote address Sunday at the Champions of Jewish Values International awards gala in New York. "We must lead." He charged that America must represent the strongest military and...