President Obama tried to put a happy face Monday on the disastrous rollout of the Obamacare website, urging frustrated consumers to call a toll-free number or mail in applications via “snail mail” while the administration works feverishly to fix computer glitches. “Nobody is madder than me about the fact that the website isn’t working as well as it should, which means it’s going to get fixed,” Mr. Obama said at the White House. “In the meantime, you can bypass the website.” In a stunning admission of the HealthCare.gov website’s early failure, Mr. Obama said call centers are being filled with...