 CBS News has learned House Democratic Leader Hakeem Jeffries, who's been hearing complaints from many in his caucus, says he'll share those concerns with the president himself by Friday. A deadly heat wave grips the U.S. with, in some cases, like Las Vegas, record-breaking temperatures. The heat stretches to Lancaster, California, where this woman lives. It's miserable. The heat is terrible. You can't even walk outside. You get this...