The Caucus Click: The Week in Pictures The vote on recalling Wisconsin's governor has become a rallying point for unions and business interests that oppose them, but it is only a warm-up. The president's remarks at the annual White House Correspondents" Association dinner included jokes about his Republican rival, Mitt Romney, and the Secret Service scandal. The slowing of the growth rate is partly explained by the recession, but evidence suggests that changing behavior of health care providers and consumers also partly accounts for it. Reporter's Notebook: For Edwards and Aide, Another Lost Love Story John Edwards, the former Democratic senator who is facing 30 years in prison, leaned forward and watched as Andrew Young, the man who had held his deepest secret, sat on the witness stand. The iEconomy: Apple's Tax Strategy Aims at Low-Tax States and Nations A look back at the week on the campaign trail, which included contests in Connecticut, Delaware, New York, Pennsylvania and Rhode Island. White House Correspondents" Association Dinner Highlights Just as they do every year, the famous officials, journalists and Hollywood stars will gather Saturday night at the White House Correspondents' Association dinner for an odd mix of celebrity and wonkdom. Below is a selection of Twitter messages and photos from the event. Sunday Breakfast Menu, April 29 Washington takes note of the first anniversary of Osama bin Laden's death.