The Bush administration and Congressional Republicans reached agreement Thursday on legislation governing the treatment and interrogation of terror suspects after weeks of debate that divided Republicans heading into the midterm elections. Under the deal, President Bush dropped his demand that Congress redefine the nation’s obligations under the Geneva Conventions, handing a victory to a group of Republicans, including Senator John McCain... “There is no doubt that the integrity and the letter and the spirit of the Geneva Conventions have been preserved,” said Mr. McCain, who was tortured during more than five years as a prisoner in North Vietnam... On another...