Article snippet: President Donald Trump has built an image as a tough-talking New Yorker whose pugnaciousness, it seems, can extend to some people he has even considered allies. The latest public slight against a close ally popped up this morning, when he apparently challenged Secretary of State Rex Tillerson to an IQ faceoff in light of allegations that Tillerson called the president a “moron,” which the State Department has denied. White House press secretary Sarah Sanders has since said the IQ test comment, which was reported in an interview with Forbes, was a joke, but it’s still the latest example of Trump’s belittling those closest to him after a perceived slight. Here is a rundown of some of Trump’s allies, or former allies, whom he has taken to task. Corker rallied with Trump during the presidential campaign and endorsed him for the GOP nomination before the 2016 United Nations in September, however. But things took a turn Oct. 5 when Corker said Tillerson, Secretary of Defense James Mattis and chief of staff John Kelly "are those people that help separate our country from chaos." Trump struck back on Twitter three days later, writing, "Senator Bob Corker "begged" me to endorse him for re-election in Tennessee. I said "NO" and he dropped out (said he could not win without.....my endorsement). He also wanted to be Secretary of State, I said "NO THANKS." He is also largely responsible for the horrendous Iran Deal! ...Hence, I would fully expect Cor... Link to the full article to read more