Sanders up big in New Hampshire and Iowa; Carson trails Trump  —  The first wave of the YouGov/CBS News Battleground Tracker polled primary and caucus voters from both parties in Iowa, New Hampshire and South Carolina  —  Hillary Clinton's deficit among likely Democratic primary voters …

The Key to Winning Down-Ballot Races  —  The presidential race looms large in the Senate, House and governors contests.  —  Getty  —  Down-ballot races are increasingly decided by who wins the White House.  To grasp this fact, it's best to focus on two numbers: 6 percent and .781.

The GOP at war  —  Forget presidential politics.  —  The real action in American politics these days is the in-house feud among Republicans.  It features the center-right GOP establishment in one corner and the talk show hosts and Tea Party activists in the other.

Rebel billionaires eager to follow Trump into politics  —  The Donald's success has Mark Cuban considering a run for office.  He's not the only famously rich guy suddenly inspired.  —  Dallas Mavericks owner Mark Cuban is so impressed with Donald Trump's success that he is now considering running for office himself.

GOP senators would back Trump as Republican nominee  —  Republican senators, the heart of the GOP establishment, will support Donald Trump if he wins the nomination for president, even though they're not thrilled at the prospect.  —  Trump has become a headache for Republican leaders in Washington …

The Next Genocide  —  New Haven — BEFORE he fired the shot, the Einsatzgruppe commander lifted the Jewish child in the air and said, “You must die so that we can live.”  As the killing proceeded, other Germans rationalized the murder of Jewish children in the same way: them or us.

The Times Announces a Fellowship Named for David Carr  —  The New York Times announced on Monday that it would sponsor a fellowship in honor of David Carr, the media columnist and reporter who died this year.  —  The David Carr Fellow, The Times said, will “spend two years in The Times newsroom covering …

Rape case sends mixed messages on prostitution  —  Sign-up for Chicago Sun-Times newsletters. … A recent case involving a prostitute and a john is making a mockery of rape victims.  —  Authorities say Roy Akins went to Backpage.com and agreed to pay a prostitute $180 for sex.

Crazed woman pummels desnuda in Times Square melee  —  Warning: Video displays graphic language  —  A crazed woman attacked a desnuda in Times Square, calling her a “nasty whore” before pummeling her in front of shocked tourists Saturday afternoon.  —  “Some girl from out of nowhere said, 'You nasty!

Ben Carson's Immigration Plan  —  Appearing on CBS's Face the Nation, Republican presidential candidate Ben Carson criticized Donald Trump's proposal to deport America's illegal immigrant population, then proposed an alternative of his own.  —  Of Trump's plan, said Carson, “The logistics of it are difficult.

Gaps in Earnings Stand Out in Release of College Data  —  Colleges give prospective students very little information about how much money they can expect to earn in the job market.  In part that's because colleges may not want people to know, and in part it's because such information is difficult and expensive to gather.

Moving Fast, Fire Scorches Community in California  —  LOS ANGELES — The fire moved fast, faster than even veteran firefighters had seen.  As it ripped down a hill toward Middletown, two hours north of San Francisco, some residents hardly had time to dress before they fled.

In the Left's Story of Government, the State Is Always the Hero  —  EDITOR'S NOTE:  —  The following is Jonah Goldberg's weekly “news"letter, the G-File.  Subscribe here to get the G-File delivered to your inbox on Fridays.  —  Dear Reader (and particularly the lawyer at the State Department …