It sure looks like they did. Yesterday. Here's the DTS (daily cash statement) for Treasury. And here's the problem with it: Note that the pink line did not move much. In fact, it went down. It should have gone up - a lot - because the "Trust Funds" (you know, Social Security and Medicare?) that you folks on the left keep bleating about being "money good" and "actual debt" had a coupon payment from Treasury due yesterday. IT WAS NOT MADE. IF IT HAD BEEN, IT WOULD HAVE BLOWN THE DEBT LIMIT. That's a default, and it instantaneously destroys both...