Cruz. He said, quote, if he doesnt clean up his act, stop cheating and doing negative ads, i have standing to sue him for not being a natural born citizen. Cruz returned fire. My approach consistently has been im not going to respond in kind. He can launch insults however much he wants. There is a reason donald engages in attacks, because its all a smoke screen to hide from his record. Now, last night donald trump held a rally with thousands of supporters. Take a look here. Cnns jim acosta is here. Trump did keep his promise on thursday when he vowed to stop using vulgarities on the campaign trail but he still went on the attack, hitting one of his favorite targets, jeb bush, insisting the former Florida Governor is unable to negotiate with adversaries. Heres what he had to say. Oh, jeb. Jeb. Hes asleep. Hes asleep at the wheel, folks. No, seriously. Can you imagine jeb negotiating with china . Cruz fired back at trump saying the real estate tycoons complaints dont square. With bush an