Sen. Hillary Rodham Clinton on Wednesday accused Republicans of "playing the fear card" of terrorism to win elections and said Democrats cannot keep quiet if they want to win in November. The New York Democrat, facing re-election this year and considered a potential White House candidate in 2008, said Republicans won the past two elections on the issue of national security and "they're doing it to us again." She said a speech by presidential adviser Karl Rove two weeks ago showed the GOP election message is: "All we've got is fear and we're going to keep playing the fear card."...