“Rep. Elijah Cummings, the chairman of the House Oversight Committee, and Rep. Jerry Nadler, the chairman of Judiciary, have now launched a pretty deep investigation into Vice President Mike Pence’s stay at Trump Doonbeg in Ireland, and President Trump’s desire to host the G-7 at his resort in Miami,” Politico reports. “Cummings and Nadler sent a set of letters dated Thursday to the administration and related entities that lay out what they are looking for.