stage. with just two days to go before the next gop primary debate, a new quinnipiac poll shows donald trump is now leading ted cruz in iowa by 2 points. that's a bit of a shift for cruz who has enjoyed a surge in the hawkeye state in recent weeks. york says: "we know that ted cruz has avoided attacking trump. he's even sort of embraced trump as a matter of fact. but now, trump is bringing up the circumstances of cruz's birth and if he's even eligible to be president." on monday - the fox business network