Regulators in the US, UK and on the Continent are working overtime as banks hang by a thread. Wachovia is said to be in talks with Citi, Wells Fargo and Santander while Santander is also said to be a potential white knight for the UK’s B&B. In Brussels, Fortis is struggling to quickly shed assets to shore up its balance sheet. Congress is working overtime in Washington and Hank Paulson is spend more time on the hill than in his Treasury department office. Let’s bring back the five-day workweek!