McCain, R-Ariz., a maverick who unsuccessfully fought Bush for the GOP presidential nomination last year, criticized Republicans for intolerance of internal disagreement while treating Jeffords too harshly.
``Tolerance of dissent is the hallmark of a mature party, and it is well past time for the Republican Party to grow up,'' he said in a written statement.
``Tolerance of dissent is the hallmark of a mature party, and it is well past time for the Republican Party to grow up,'' he said in a written statement.