Secret Service investigates posting about shooting police, Bush Associated Press LOUISVILLE, Ky. - The U.S. Secret Service is investigating a student who suggested in an Internet posting that people taking necessities after Hurricane Katrina should shoot police officers, guardsmen and President Bush if necessary. Phillip Bailey, 21 and chairman of the University of Louisvill's Student Nonviolent Coordinating Committee, confirmed meeting with Secret Service agents on Tuesday. He said he does not regret his posting. He said he was trying to say that it's understandable for people to fight for survival and claims that he wasn't advocating violence. "I'm advocating that...