Nov 26, 2008 5:00 pm US/Eastern "Feds Warn Of Terror Plot Against NYC Subways Homeland Security: Expect Larger Police Presence In NYC And In Major Cities Across U.S. During Holidays" ARTICLE SNIPPET: "NEW YORK (CBS/AP) ― Federal authorities are warning police of a possible terror plot against the New York City subway and train systems during the holiday season, prompting local officials to beef up security at stations. An internal memo obtained by The Associated Press says the FBI has received a "plausible but unsubstantiated" report that al-Qaida terrorists in late September may have discussed attacking the subway system. A...