Exclusive: Obama on Iowa, Clinton, Sanders and 2016  —  Barack Obama, that prematurely gray elder statesman, is laboring mightily to remain neutral during Hillary Clinton's battle with Bernie Sanders in Iowa, the state that cemented his political legend and secured his path to the presidency.

Rick Perry endorses Ted Cruz  —  Former Texas Gov. Rick Perry is endorsing Ted Cruz in the Republican presidential primary, Perry told POLITICO in an interview Sunday night.  —  Perry, who also sought the GOP nomination before dropping out in September, said he now sees the race as one that is between Cruz …

The Obama Theory of Trump  —  It was so obvious, I'm embarrassed I missed it.  —  Like most of the other talking heads on TV, I was haughtily dismissive of Donald Trump's candidacy.  “It's apparently open mike day in the Republican campaign for president,” I tweeted last June …

GOP fear and loathing in New Hampshire  —  NASHUA, N.H. — On Friday and Saturday, the New Hampshire Republican Party held its final big event before the February 9 GOP primary.  The First-in-the-Nation Presidential Town Hall, at the Nashua Radisson, attracted the local officials, activists …

The Duel  —  Donald Trump has a rule at his rallies: for the fifty minutes before he takes the stage, the only music that can be played is from a set list that he put together.  The list shows a sensitive side, mixing in Elton John's “Tiny Dancer” and music from “Cats” and “The Phantom of the Opera.”

Sentences for Young Murderers Limited by U.S. Supreme Court  —  The U.S. Supreme Court gave retroactive effect to a 2012 ruling that banned automatic life-without-parole sentences for juvenile murderers, in a decision that may apply to hundreds of inmates.  —  The 6-3 ruling came in the case …

The Likelihood of Recent Record Warmth  —  Abstract  —  2014 was nominally the warmest year on record for both the globe and northern hemisphere based on historical records spanning the past one and a half centuries1,2.  It was the latest in a recent run of record temperatures spanning the past decade and a half.

Behind Donald Trump's Attack Strategy  —  A behind-the-scenes look at how the GOP front-runner personally drives his pointed attacks  —  NASHUA, N.H.— Donald Trump made his decision to start skewering Sen. Ted Cruz as his private jet was approaching here earlier this month.

Bush Praises Michigan Guv For His Handling Of Flint Water Crisis  —  Former Florida Gov. Jeb Bush (R) on Sunday praised Michigan Gov. Rick Snyder (R), who is currently facing calls for his resignation over his handling of the Flint water crisis, for taking responsibility for the fiasco.

At 83, I Decided to Develop an App  —  I've done business, politics, and war.  Now I'm trying my hand at mobile gaming.  —  Among the things one learns as time passes is that everyone has to age, but not everyone has to get old.  One of the best ways to stay young is to keep learning.

5 things to watch in Internet privacy fight  —  Advocates are pressing the Federal Communications Commission to quickly propose strong Internet privacy rules, one of the unfinished parts of last year's net neutrality order.  —  The agency is expected to release a proposal any month now.