Bush Braces for Fight if GOP Loses House

WASHINGTON - The White House is bracing for guerrilla warfare on the homefront politically if Republicans lose control of the House, the Senate or both - and with it, the president's ability to shape and dominate the national agenda.

Republicans are battling to keep control of Congress. But polls and analysts in both parties increasingly suggest Democrats will capture the House and possibly the Senate on Election Day Nov. 7.

Democrats need a 15-seat pickup to regain the House and a gain of six seats to claim the Senate.

Everything could change overnight for President Bush, who has governed for most of the past six years with a Republican Congress and with little …