Today on the Presidential Campaign Trail

The Associated Press, 1/15/8

Clinton says she and Obama owe King for where they are today … Obama says rivals want to ‘run me down’ …. Romney repeats vow to rebuild Mich. economy as he campaigns there … Edwards calls for ban on coal-fired power plants … Giuliani raps Democrats but says parties should put aside differences … Huckabee tells Mich. supporters he understands struggles of working-class people … McCain defends S.C. mailers on Mitt Romney record … Thompson focuses on his national security plans