Republican presidential front-runner Donald TrumpDonald TrumpTrump's proposed ban on Muslims entering US a moving target Clinton camp blasts Trump over Brexit response: 'He patted himself on the back' Trump shifts immigration plan: No 'mass deportations' MORE is increasing his attacks on Mitt Romney, questioning why the 2012 GOP nominee has not yet endorsed Marco RubioMarco RubioRubio: 'I didn't run for the Senate to run for president again' Sunday shows preview: Next steps after Trump upheaval O'Malley gives Trump a nickname: 'Chicken Donald' MORE.
"I think there's something there. Either he's not anywhere near as wealthy as he says he is, or he hasn't been paying the kind of taxes we would expect him to pay, or perhaps he hasn't been giving money to the vets or to the disabled like he's been telling us he's doing."
Mitt Romney, who was one of the dumbest and worst candidates in the history of Republican politics, is now pushing me on tax returns. Dope!— Donald J. Trump (@realDonaldTrump) February 25, 2016
“My returns are extremely complex, and I’ll make a determination at the right time,” he told CNN. “I’m in no rush to do it.”