Whether or not Republicans are successful in eliminating or drastically revising President Obama's signature legislation, Obamacare appears destined to fail on its own. The latest indication is United Health's announcement that after losing $1.1 billion it is dropping out of Obamacare exchanges in all but a few states.

Donald Trump says he wants a "show business" type of Republican convention. But Sen. John McCain, R-Ariz., the 2008 GOP nominee, will miss the July 18-21 event in Cleveland. "I have to campaign for reelection," he said.  McCain faces opposition in an August 30 Republican primary as well as a strong, well-financed Democratic challenge.

Socialist Bernie Sanders finally released his tax return and now we know why he delayed so long. It revealed his outrageous hypocrisy. In running for president Sanders berates high income earners who pay lower taxes than blue-collar workers. But his 2014 return shows a joint income of $205,271 and an effective tax rate of 13.5 percent, compared to an average of 15.2 percent.