In the U.S. Capitol basement, an auditorium full of congressional staff grapples with the consequences of how their bosses upstairs wrote the Affordable Care Act. Starting Monday, they will have to choose a health care plan. "A lot of employees are planning to separate because of this," one man stood up and declared at the first-ever congressional orientation for Obamacare. By "separate," he meant quit. It was one of many sharp moments of concern at the two information sessions set up by House administrators Thursday. Both were closed to the press, but CNN was able to watch on an in-house...