Bernie Sanders's single-payer plan isn't a plan at all  —  Sanders's long-awaited health care plan is, by turns, vague and unrealistic.  —  Hillary Clinton has made a lot of bad arguments about Bernie Sanders's support for single-payer.  But her best argument was her simplest …

GOP to blame for civility's breakdown  —  If you ask me, President Obama is being way too hard on himself.  —  “It's one of the few regrets of my presidency, that the rancor and suspicion between the parties has gotten worse instead of better,” the president said during his final State of the Union address last week.

Obama's Republican Foreign Policy Critics Don't Understand How the World Works  —  They seem to think that “hitting them hard” is the only way to get people to do things.  —  Wherever your stance on the political spectrum, there's no point listening to Republicans rail against President Obama's policies.

In primary challenge, Wasserman Schultz faces unprecedented test  —  For Rep. Debbie Wasserman Schultz (D-Fla.), the problems with the left just keep coming.  —  The Democratic National Committee (DNC) chief has infuriated many Democrats with her handling of the party's presidential primary debates.

Bill Clinton's pardon of fugitive Marc Rich continues to pay big  —  Fifteen years ago this month, on Jan. 20, 2001, his last day in office, Bill Clinton issued a pardon for international fugitive Marc Rich.  It would become perhaps the most condemned official act of Clinton's political career.

‘13 Hours,’ Benghazi and the slippery definition of ‘political’  —  In a juxtaposition so perverse that it could only have been dreamt up in Hollywood, the holiday designated to celebrate the life of Martin Luther King Jr. — America's most prominent practitioner of nonviolence — has become the go-to weekend for war movies.

Secret files exposing  —  evidence of widespread match-fixing by players at the upper level of world tennis can today be revealed by BuzzFeed News and the BBC.  —  The sport's governing bodies have been warned repeatedly about a core group of 16 players - all of whom have ranked in the top 50 …

Restoring the middle  —  Ok, enough.  —  Ok, enough with the anger.  —  No one can govern with anger as their motivation.  It leads, as history has shown all too often, to profoundly unfortunate results.  It is also antithetical to the American dream.  —  This is not a nation built on anger.

Defending UofL law school's compassion project  —  As I approach the end of my 20th year as a law teacher, I should no longer be surprised that law professors can find a way to complain about things as seemingly pleasant and uncontroversial as blue skies and children's laughter.  Or, in this instance, compassion.

Why Clinton brought up Flint's water crisis  —  Former Secretary of State Hillary Clinton didn't want to leave Sunday night's Democratic presidential debate without addressing one topic that didn't come up until she mentioned it: Michigan Gov. Rick Snyder's handling of a contaminated water crisis in Flint, Michigan.

New Donald Trump Radio Ad Features Daughter Ivanka  —  GOP front-runner Donald Trump is out with a new radio ad starring his daughter Ivanka Trump.  —  The spot features the 34-year-old businesswoman talking about her father's influence on her as a parent.

Rubio Says He Bought A Gun On Christmas Eve To Help Defend America Against ISIS  —  Presidential candidate Sen. Marco Rubio (R-FL) said that he bought a gun on Christmas Eve and will use it to protect his family — and America — against ISIS.  —  “I'm a strong supporter of the second amendment.

STATE OF THE UNION  —  THIS IS A RUSH TRANSCRIPT.  THIS COPY MAY NOT BE IN ITS FINAL FORM AND MAY BE UPDATED.  —  JAKE TAPPER, CNN ANCHOR (voice-over): Back to back.  Hillary Clinton and Bernie Sanders are both here just hours before they face off at the debate.