MEGAN MCARDLE: “I wish that Krugman had walked his readers through this quite a bit earlier, of course, but better late than never. . . . I wish Paul Krugman would do some explaining–about the source of his differential skepticism. For all that I admire Paul Ryan’s courage in arguing that there ought to be some relationship between inflow and outgo, I’ll believe the cuts when I actually see them. Which is the same way I feel about health care reform.”