More Rain Likely for Soaked NortheastBy STEPHEN MANNING Tuesday, June 27, 2006 WASHINGTON - Workers pumped water from the IRS headquarters' flooded basement Tuesday and mopped up at other government buildings Monday after heavy rain swamped the nation's capital. A brief break from the two-day deluge gave crews a chance to reopen commuter routes and set up sandbags to prevent more water from getting inside buildings. More than 7 inches of rain fell on the nation's capital in a 24-hour period Sunday and Monday, shutting down several federal buildings and closing some of the city's busiest tourist attractions just days...