Questions cloud Trump's case for war against Iran

Iran "rejected every opportunity to renounce their nuclear ambitions," Trump said in a roughly eight-minute video message posted on social media more than an hour after US strikes began. "They attempted to rebuild their nuclear program and to continue developing long-range missiles" that "could soon reach the American homeland," the US president said, also calling on Iranians to overthrow their government. But Iran was said to have signaled in talks that it was willing to cease stockpiling nuclear material...