* Headlines for February 18, 2008 * In Tight Democratic Race, Could Campaign Donations and Personal Views Influence Potentially Decisive Superdelegate Vote? * Analyst: On Africa Visit, Bush Pushes Agenda of Continent-Wide U.S. Military Expansion * In Africa, Bush Touts Record AIDS Relief under his Administration, but Funding Restrictions Tell a Different Story on the Ground * Seton Hall Law Students Discover U.S. Military Routinely Videotaping Gitmo Interrogations