WASHINGTON — Congress moved on two fronts Thursday to test the limits of presidential authority, with a surprising maneuver in the Senate to begin debating President Obama’s war powers against the Islamic State and a vote in the House to prohibit him from enforcing his executive action on immigration.

http://www.nytimes.com/2014/12/05/us/paul-forces-senate-vote-on-limiting-fight-against-isis.html?hpw&rref=politics&action=click&pgtype=Homepage&module=well-region&region=bottom-well&WT.nav=bottom-well

The New York Times