By Catherine Rampell January 9, 2013 1:49 pm January 9, 2013 1:49 pm Jacob J. Lew, President Obama’s reported pick for Treasury secretary, has a ridiculous signature, as the blogosphere learned from a widely circulated White House memo he signed in 2011. Mr. Lew is currently White House chief of staff and previously served as the director of the Office of Management and Budget. If he is confirmed