“There is no sugar coating it,” President Obama said on Monday, offering a belated mea culpa about the failure of the government’s web site to properly handle almost twenty million visitors since opening for business three weeks ago. He touted what he called a “tech surge” to fix the problem with people working overtime 24/7 and experts from private tech companies stepping in to help. “The web site is too slow, people are getting stuck,” and there’s no one more frustrated than he is, he said, with his Republican critics seizing on the mishaps to decry the health care law as unworkable. “I want the cash registers to work, and the checkout lines to be smooth. …There’s no excuse for these problems.”