By KELLEY SHANNON Associated Press Writer AUSTIN Dominance was the magic word for Texas politics in 2003. Republicans dominated the political landscape as they made deep budget cuts, placed limits on civil lawsuits and pushed through a GOP congressional redistricting plan despite the protests and road trips of Democrats. ”Texas politics? Year of the elephant,” summed up Tony Proffitt, a veteran political consultant who was an aide to the late Democratic Lt. Gov. Bob Bullock. The GOP already held all the statewide offices and had the edge in the Texas Senate before the 2002 elections. With a sweeping victory, Republicans...