Article snippet: Most popular on BostonGlobe.com Based on what you've read recently, you might be interested in theses stories STERLING, Va. — The strained relationship between President Trump and Secretary of State Rex Tillerson came under renewed focus Sunday, as the nation’s top diplomat insisted that Trump has not undermined him even as he again refused to deny calling the president ‘‘a moron.’’ Tensions between the two men have grown while the nation faces a series of high-stakes international crises, including the threat posed by North Korea and fate of the Iran nuclear deal, and threatens to sow doubt about American allies as to whether Tillerson can speak authoritatively for the United States. The secretary of state insisted that he has a strong working relationship with the president without any name-calling. ‘‘I call the president ‘Mr. President.’ He and I have a very, very open, frank, and candid relationship. We have a very open exchange of views on policy,’’ Tillerson said during an interview on CNN’s ‘‘State of the Union.’’ ‘’At the end of the day, he makes decisions,’’ Tillerson said. “I go out and do the best I can to execute those decisions successfully. There was a pretty striking finding in Thursday’s Quinnipiac University poll. ‘‘He has assembled a very, I think, unconventional team,’’ Tillerson continued. ‘‘He himself is an unconventional president. He’s assembled an unconventional Cabinet. I’m an unconventional pick for secretary of st... Link to the full article to read more