WASHINGTON (AP) - Resurgent House Democrats voted Friday, their second day back in control, to block future tax cuts or benefit increases from being financed with dollars that swell the national deficit.

Republicans protested the change would imperil GOP-sponsored tax cuts that expire in four years. The new rule also could make it more difficult for the Democrats to fulfill campaign promises to cut student loan rates and extend tax cuts for the middle class.

The drive to restore the