The presidential race; potential Kamala Harris running mates; Hamas political chief Ismael Haniyeh is killed in Iran; the economy; the U.S. migrant crisis; Olympics “Last Supper” blowback; congressional hearing over Secret Service failure in Donald Trump assassination attempt; Simone Biles and USA gymnasts win gold in Paris; the UK stabbing attack; and the Park Fire in California were some of the most-talked-about stories in news/talk media yesterday, according to ongoing research from TALKERS.