The Donald Trump campaign has sent its first "emergency" fundraising email to supporters Saturday, seeking to raise at least $100,000 by the end of the day. That request follows a multimillion dollar ad blitz launched by likely general election rival Hillary Clinton this week. "Right now we're facing an emergency goal of $100,000 to help get our ads on the air," the email said. "We need your contribution by 11:59 P.M. Tonight." "Crooked Hillary is about to invade your TV with ads attacking Mr. Trump. But we're preparing to fight back," it reads, adding that the campaign plans to attack...