Trump keeps forecasting an Iran deal — why the White House still thinks it can happen

President Donald Trump is continuing to project confidence that a final nuclear agreement with Iran remains within reach despite months of slow-moving diplomacy, unresolved disputes over uranium enrichment and a ceasefire that appeared at risk of unraveling over the weekend.

"We're in the final throes of what will be a very, very good deal," Trump told reporters after attending the third game of the NBA Finals at Madison Square Garden, adding that it would come in "two or three days." 

Trump...