Donald Trump derailed a White House event about “clean coal” to go on a rant about his beautification efforts in Washington, D.C. on Thursday, marking yet another moment where those efforts have distracted the president from more serious policy discussions.A Thursday afternoon event billed as an announcement about a new investment in U.S. coal plants began with Trump immediately launching into a spiel for the assembled White House press about his efforts to overhaul the Lincoln Memorial, complete with a video showing water flowing into the newly-repainted Reflection Pool. The president then shifted to his future plans: An idea for a “promenade” to extend down the other side of the building to the Potomac River.“We’re doing something that just came up, we have a little breaking news here,” Trump teased. “We’re going to be doing a promenade at the Lincoln Memorial. They want to call it the Trump promenade.”His explanation for the planned renovations followed: “At the Lincoln Memorial, the front was supposed to be the back, and the back was supposed to be the front. [The promenade] never got built, because they built two roadways behind it.”More to follow...