President-elect Barack Obama will hold a national security meeting today in Chicago. Attendees are expected to include: Vice President-elect Joe Biden, Secretary of State-designee Hillary Clinton, Secretary of Defense Robert Gates, Atty. Gen.-designee Eric Holder, Secretary of Homeland Security-designee Janet Napolitano, Chairman of the Joint Chiefs of Staff Adm. Mike Mullen, UN ambassador-designee Susan Rice, National Security Adviser-designee Jim Jones, Director of National Intelligence Mike McConnell, White House Chief of Staff-designee Rahm Emanuel and White House Counsel-designee Greg Craig. Later in the day, Obama will hold a news conference at the Drake Hotel to discuss the nation's energy and environmental...