President Donald Trump appears to have a strategy: threaten irreparable damage to Iran's civilian infrastructure then hit pause and hope the other side decides to come to the table and revive negotiations. By ABC News' count, he's tried it no less than seven times. So far it hasn't worked. In what's becoming a familiar pattern, Trump wrote on his social media platform late Saturday night that at the request of Iran and other Middle Eastern countries he'd decided not to carry out his what White House officials said would be a devastating strike targeting Iran's energy infrastructure. But, he warned,...