George Bush proved last week that he's not reluctant to press an advantage on the battlefield -- and the same is true in the domestic political arena. With Bush's public approval rating having soared to around 90% since he declared victory, his handlers are already working to sustain that support into 1992 and translate it into Republican gains across the board. Their battle plan calls for at least three aggressive thrusts:
-- Exploit the vote by most congressional Democrats against the war by contrasting the Democrats' "carping pessimism" with Republican can-do confidence in America's armed forces, industrial competitiveness, schools and future...