4 Senate moderates vow limit on tax cuts 2003-03-14 By Alan Fram Associated Press Writer WASHINGTON -- Four moderate senators signed a letter Thursday stating that any tax-cutting economic growth plan must be limited to a 10-year price tag of $350 billion, dealing a major blow to President Bush's plan for a package twice that size. The stance by the bipartisan group -- which includes two Republicans, Olympia Snowe of Maine and George Voinovich of Ohio -- could be decisive in a Senate the GOP controls by just 51-48, plus a Democratic-leaning independent. Republicans pushed a plan for cutting spending...