Timeline: Trump and Romney's tumultuous relationship

Trump and Romney at Jean Georges restaurant in New York. Photo: John Angelillo / Pool via Bloomberg

Utah Sen. Orrin Hatch announced his retirement Tuesday, despite President Trump urging him to seek re-election. That clears the way for Mitt Romney to run for the open seat, and he's widely expected to do so.

The big picture: Trump wanted Hatch to keep his seat in part to block Romney, with whom he has exchanged brutal attacks since Romney condemned him during the 2016 primaries. Just 13 months ago, though, the two sat down at dinner to discuss the possibility of Romney becoming Trump's Secretary of State. Here's a look at their complicated history: