"mr40, Former Obama aide ‘speechless’ at Trump reversal on ZTE "
Anthony Zurcher North America reporter @awzurcher on Twitter
8 May 2018
VIDEO
President Donald Trump wasn't always so dead against the Iran deal and it's not a big issue for voters, so why is he pulling out now?
It was a move that had been telegraphed for months, despite last-ditch attempts by US allies and domestic backers of the agreement to convince the president to stick with the status quo.
In his announcement, the president said that he was open to renewed negotiations, putting trust in his ability as a deal-maker to succeed.
"A constructive deal could have easily been struck at the time," Trump said of the 2015 negotiations. "But it wasn't."
Now the president will have his chance to show he can do better. But why withdraw now?
Opinion polls show a majority of Americans are in favour of staying in the deal, and, while Mr Trump has said he's simply keeping another promise, this was never an issue that motivated his base the way immigration, trade and the economy did.
Here are three reasons why he grew to hate the deal and made this move