One does not need to be particularly good at hearing to decipher the dog whistles being used during this year's election campaign in the United States.
Some people run simply out of ego or greed. The publicity that attends a presidential bid can garner even a failed candidate a book contract, a television gig, or a well-paid speaking career (or perhaps all three). Trump ran on the basis of his celebrity.
The United States announces that Iran may take part in talks to end the civil war in Syria and warned of increased military action against the Islamic State.