Emotional Obama calls for ‘sense of urgency’ to fight gun violence  —  Watch “Guns in America,” CNN's townhall meeting with President Obama on Thursday at 8 p.m. ET  —  (CNN)President Barack Obama grew emotional Tuesday as he made a passionate call for a national “sense of urgency” to limit gun violence.

Trump says Cruz's Canadian birth could be ‘very precarious’ for GOP  —  LOWELL, Mass. — Donald Trump said in an interview that rival Ted Cruz's Canadian birthplace was a “very precarious” issue that could make the Texas senator vulnerable if he became the Republican presidential nominee.

Germany shocked by Cologne New Year gang assaults on women  —  The mayor of Cologne has summoned police for crisis talks after about 80 women reported sexual assaults and muggings by men on New Year's Eve.  —  The scale of the attacks on women at the city's central railway station has shocked Germany.

Authorities plan to cut off power to militia at occupied Oregon refuge  —  Armed militants will begin their third day at the wildlife refuge and have vowed to remain for months in protest at over the treatment of two local cattle ranchers  —  Federal authorities are planning to cut off …

This crowd shot from Donald Trump's Massachusetts rally is absolutely mind-boggling  —  Donald Trump went to Lowell, Mass. — a town about five miles south of the New Hampshire border — for one of his now trademark big-arena rallies on Monday night.  This is what the crowd looked like per WaPo's Jenna Johnson.

Twitter Considering 10,000-Character Limit for Tweets  —  Longer tweets are coming soon to Twitter.  —  Twitter is building a new feature that will allow users to tweet things longer than the traditional 140-character limit, and the company is targeting a launch date toward the end of Q1 …

Meet the chef who decides what Tom Brady eats—and what he definitely doesn't  —  Allen Campbell talks about why our quarterback rarely eats tomatoes, where he shops for groceries, and why he doesn't serve mushrooms.  Ever.  —  Allen Campbell has never been anything but a chef.

Christie hits back: Rubio can't ‘slime his way to the White House’  —  MANCHESTER, N.H. — As Chris Christie's establishment rivals seize on his blue-state governing record, the New Jersey governor punched back here Tuesday with the kind of bluntness that had been his trademark …

Trump: It Would Be Interesting To Ask Bill Clinton The Difference Between Him And Cosby  —  Trump added that he respects women and that he would protect them.  —  Hello, it's me.  —  David Duprey / ASSOCIATED PRESS  —  w.soundcloud.com  —  Donald Trump says it would be “very interesting” …

Lumosity to Pay $2 Million to Settle FTC Deceptive Advertising Charges for Its “Brain Training” Program  —  Company Claimed Program Would Sharpen Performance in Everyday Life and Protect Against Cognitive Decline  —  The creators and marketers of the Lumosity “brain training” …

MPs to debate banning Donald Trump from UK  —  Parliamentary hearing triggered by 560,000-signature petition after Republican presidential candidate called for US to bar Muslims  —  MPs are to debate calls for the US presidential candidate Donald Trump to be banned from the UK following …

Fox Business Network to candidates: We won't show an empty podium  —  Fox Business Network is promising Republican presidential candidates it won't show an empty podium — with the expectation that all the candidates follow the rules.  —  The declaration, made in a memo obtained by POLITICO …

From The Editor |  Ban Antics In New York  —  What's an anti-gun state legislator to do when the state in which he or she lives already has some of the most restrictive gun-control laws in the nation?  Realistically, short of banning all guns and ammunition magazines, what's left to do in the state of New York?

Trump Has Highest Support Among White Evangelicals: Poll  —  With the presidential primaries in full swing, Donald Trump maintains his sizable lead over the rest of the Republican field.  Among Republican or Republican-leaning registered voters, Trump has 35% support compared to 18% for Ted Cruz …