President Donald Trump boasted last month that he was bringing on “a guy who’s unbelievable at doing swimming pools” for a renovation project at the Lincoln Memorial Reflecting Pool. But the Cabinet secretary leading the federal agency overseeing the work admitted Wednesday that the president’s “pool guy” actually has nothing to do with the project and added that he isn’t familiar with the company that received a lucrative no-bid contract . Interior Department Secretary Doug Burgum denied that the president hired his “guy” for the job but repeatedly rebuffed questions about the project’s contractor in his testimony to the House Committee on Natural Resources. That “guy” is “not a part of this contract” and has nothing to do with the project, Burgum said. That person, who previously worked for the president, is “just a citizen who cared about it” and offered “free advice,” the secretary explained.…