The Economy: We're pleased to see that both the White House and Fed are willing to take action to make sure the subprime lending crisis doesn't get worse. But we're also glad they understand they can't do everything. On Friday, with markets looking desperately for direction, Fed Chairman Ben Bernanke told a group of bankers, economists and other wonky types that the central bank "will act as needed to limit the adverse effects on the broader economy that may arise from the disruptions in financial markets." It was Bernanke's first public comment on the subprime crisis since the Fed's Aug....