New polls show Hillary Clinton with a widening lead over Donald Trump in the presidential election. Trump surprises Republicans by refusing to endorse party leaders Paul Ryan and John McCain in upcoming primary elections. And Trump’s clash with the family of a slain American Muslim soldier continues to draw ire. The U.S. economy adds 255,000 jobs in July, beating expectations. The FBI investigates the hack of Democratic National Committee emails. WikiLeaks’ Julian Assange suggests more leaks are coming. And a Zika outbreak in a Miami neighborhood prompts a CDC travel warning. A panel of journalists joins Diane for analysis of the week’s top national news stories.