Summary: <p>A midnight shooting at a Denver Theater left 12 people dead. A suspect is in custody. Federal Reserve Board Chairman Ben Bernanke described efforts to lower the unemployment rate as frustratingly slow. Housing data indicated a market in recovery, with existing home sales and prices and new home starts all up in June. Senator John McCain criticized attacks by Congresswoman Michele Bachman on a long-time aide to Secretary of State Hillary Clinton. And, without intervention from Congress, the Post Office moved closer to defaulting on payments for future retiree benefits. Jerry Seib of the Wall Street Journal, Susan Page of USA Today and Chris Cillizza of the Washington Post join Diane for the domestic hour of our Friday News Roundup.</p>
