Sony cancels Dec. 25 release of 'The Interview' after hacker threats
Timothy M. Kaine
Congress must exercise its war powers
Congress must exercise its war powers

Before Congress leaves the capital for the holidays, House Speaker John A. Boehner (R-Ohio) and Senate Majority Leader Harry Reid (D-Nev.) must schedule a vote on an authorization for the war against Islamic State. It's a constitutional imperative. Here's why. The United States has been engaged against Islamic State militants since early August with operations against targets in Iraq and Syria. Aircraft have launched hundreds of airstrikes against Islamic State military and economic targets and struck the Khorasan Group — an Al Qaeda cell. At the same time, other U.S. forces are on a training and advisory mission to strengthen Iraqi and Kurdish forces, and the Pentagon is...