BREAKING: The US and China Just Announced a Huge Deal on Climate—and It's a Game Changer  —  The surprise agreement aims to double the pace of carbon pollution reduction in the United States.  —  In a surprise announcement Tuesday night, the world's two biggest economies and greenhouse gas emitters …

Obamacare's Foundation of Lies  —  There is only one kind of lie, it's apolitical, and it cripples the best of intentions.  —  A lie is apolitical, or at least it should be.  If there is one thing that unites clear-headed Americans, it's a belief that our leaders must be transparent and honest.

Little Enthusiasm, Familiar Divisions After the GOP's Big Midterm Victory  —  Most Expect Obama to Get Little Done Over Next Two Years  —  After a sweeping midterm election victory on Nov. 4, the Republican Party retook full control of Congress.  But the public has mixed reactions to the GOP's big win …

For the First Time, Humanity Has Landed Something on a Comet  —  Questions, and answers, about a union more than a decade in the making  —  Wait, we're landing on a comet?  —  Yes!  —  Which comet?  —  It's called 67P/Churyumov-Gerasimenko; it was discovered in 1969 (and named, as you may have guessed, for its discoverers).

Republican Dan Sullivan wins Senate race in Alaska  —  5 photos  —  JUNEAU, Alaska (AP) — Republican Dan Sullivan won Alaska's U.S. Senate race, defeating first-term incumbent Democrat Mark Begich.  —  Sullivan led Begich by about 8,100 votes on Election Night last week and held …

Anti-Military Anthem Played at ‘Concert for Valor’  —  Who would have thought that that Bruce Springsteen, Dave Grohl, and Zac Brown, accomplished musicians all, would be so, well, tone-deaf?  But how else to explain their choice of song—Creedence Clearwater's famously anti-war anthem …

Democratic Party Favorable Rating Falls to Record Low  —  Story Highlights  —  WASHINGTON, D.C. — After the midterm elections that saw the Democratic Party suffer significant losses in Congress, a record-low 36% of Americans say they have a favorable opinion of the party, down six percentage points from before the elections.

Pelosi: 'It wasn't a wave'  —  An exclusive interview with an unbowed Nancy Pelosi.  —  House Democrats ended Election Day controlling fewer seats than they have in nearly 80 years, but Nancy Pelosi isn't conceding anything.  —  “I do not believe what happened the other night is a wave …

Mike Huckabee rebuilds political team with eye on another presidential run  —  Former Arkansas Gov. Mike Huckabee, who turned his stunning victory in the 2008 Iowa caucuses into a thriving talk show career, is reconnecting with activists and enlisting staff to position himself in a growing field …

McConnell, Reid look for deal  —  Senate Republican Leader Mitch McConnell (Ky.) and Democratic Leader Harry Reid (Nev.) are both looking for a deal at the end of the 113th Congress.  —  The two party leaders, who have dueled for nearly a decade with Reid in the majority and McConnell in the minority, are about to flip positions.

Public Perceptions of Privacy and Security in the Post-Snowden Era  —  Summary of Findings  —  Privacy evokes a constellation of concepts for Americans—some of them tied to traditional notions of civil liberties and some of them driven by concerns about the surveillance of digital communications and the coming era of “big data.”