ST. LOUIS (AP) — A growing divide has emerged in the Republican Party's unruly presidential contest, as the race bid farewell to a once-powerful A day after Rick Perry, Texas' longest-serving governor, ended his second Republican presidential run with a whimper, Trump marked the shake-up by embracing his role as his party's 2016 bully on Saturday.

"Mr. Perry, he's gone. Good luck. He was very nasty to me," Trump told Iowa voters. Turning to rival Ben Carson, he questioned whether the retired neurosurgeon had "the energy" to negotiate successfully with world leaders. In an interview earlier, Trump touted his tough-talking style as a plus.

"It's an attitude that our country needs. We get pushed around by everybody," he told Fox News, adding, "We have to push back."

Perry had all but declared war on the billionaire businessman in July, calling Trump "a cancer on conservatism" who could destroy the Republican Party. On Saturday, Trump's campaign was soaring while Perry's White House ambitions were dead. And with the real estate mogul suffocating the rest of the packed field, it's likely a matter of time before he helps push another GOP candidate out of the race.... Read More: Yahoo News