We all know Donald Trump is wealthy, but how much richer has he become since returning to the White House at the start of the year? That’s a question the ABC’s Americas Editor John Lyons posed to the president last month, in a testy exchange that ended with one word from Trump: ‘quiet’. Today, John Lyons on his Four Corners investigation into Donald Trump’s billions, his family’s business dealings and his growing wealth. Featured: John Lyons, ABC Americas Editor