Taking aim at businessman Donald Trump, Sen. Ted Cruz said at a campaign rally Wednesday that too much is riding on the 2016 presidential election to get fooled by a showman that is more bluster than substance... "We can't be fooled by P.T. Barnum," Mr. Cruz said, alluding to the late founder of the Barnum & Bailey Circus. "The time for the clowns and the acrobats and the dancing bears has past."......