Richard Collins, a wealthy Texas philanthropist, businessman and political aficionado, heaps praise on the woman he has set out to destroy, Sen. Hillary Clinton (D-N.Y.). "She looks like a winner," said Collins, sitting in his high-rise office with sweeping views of the city. "She's run a good campaign, very consistent, no mistakes." But make no mistake about it: Collins is just one in a vast army of professional "Hillary haters" who are banking on Clinton becoming the Democratic nominee. Like the Swift Boat Veterans for Truth in the 2004 election who denigrated John Kerry's military service in Vietnam, Collins and...