Under election-year pressure to change course in Iraq, the Bush administration said Monday there are no plans for dramatic shifts in policy or for ultimatums to Baghdad to force progress. Just two weeks before the Nov. 7 elections that will determine whether Republicans retain control of Congress, the White House tried to calm political anxieties about deteriorating security in Iraq. Both Democratic and Republican lawmakers are calling on President Bush to change his war plan. "We're on the verge of chaos, and the current plan is not working," Sen. Lindsey Graham, R-S.C., said in an Associated Press interview. U.S. and...