Trump plays White House tour guide to show off work on his helipad and ballroom

President Donald Trump played White House tour guide on Wednesday, showing off the helipad he is building on the lawn before leaning over to autograph a piece of it and bragging about the ballroom he's rushing to complete despite legal challenges. Trump gushed for several uninterrupted minutes about granite being laid and said the chopper landing area would leave visiting foreign leaders "very…