Romney Pulls Ahead In See-Saw Florida Gop Primary, Quinnipiac University Poll Finds; Men Shift From Gingrich To Romney  —  Just four days before the nation's first big-state presidential primary, former Massachusetts Gov. Mitt Romney opens up a 38 - 29 percent lead over former House Speaker …

Low IQ & Conservative Beliefs Linked to Prejudice  —  There's no gentle way to put it: People who give in to racism and prejudice may simply be dumb, according to a new study that is bound to stir public controversy.  —  The research finds that children with low intelligence are more likely to hold prejudiced attitudes as adults.

No Need to Panic About Global Warming  —  There's no compelling scientific argument for drastic action to ‘decarbonize’ the world's economy.  —  Editor's Note: The following has been signed by the 16 scientists listed at the end of the article:  —  A candidate for public office …

FACT CHECK: Gingrich gives an awkward defense of a speech that was seen as attacking Spanish  —  WASHINGTON — Mitt Romney accuses Newt Gingrich of calling Spanish a “ghetto language.”  Close, but not quite.  —  Gingrich denies doing so and said he merely promoted the use of English, “period.”

2011 GDP: 1.7%  —  That's the final, pathetic growth number for 2011.  —  From the just-released GDP report:  —  Real GDP increased 1.7 percent in 2011 (that is, from the 2010 annual level to the 2011 annual level), compared with an increase of 3.0 percent in 2010.

How Siri is ruining your cellphone service  —  Paul Farhi covers media for The Post.  —  Like a few million other people this past holiday season, we bought an iPhone 4S, with its much-hyped Siri feature.  The vocal interface allows users to speak all kinds of commands into the phone …

Obama Ratings Historically Polarized  —  Job approval 80% among Democrats, 12% among Republicans  —  PRINCETON, NJ — The historically high gap between partisans' job approval ratings of Barack Obama continued during Obama's third year in office, with an average of 80% of Democrats and 12% …

Motive of shooter who targeted military sites is unclear  —  Yonathan Melaku was sneaking through Fort Myer and Arlington National Cemetery, his backpack filled with plastic bags of ammonium nitrate, a notebook containing jihadist messages, and a can of black spray paint.

Twitter to censor tweets by country  —  The censorship tool is likely to raise fears that Twitter's commitment to free speech may be weakening  —  Twitter has refined its technology so it can censor messages on a country-by-country basis.  —  The additional flexibility announced on Thursday …

Romney Packed Debate Hall With Supporters, Gingrich Aide Says … 2012 Election , Barack Obama , Newt Gingrich 2012 , Republican Presidential Primary , Rick Santorum , Elections 2012 , Newt Gingrich , Video , FL Election , FL Election 2012 , FL Primary , FL Primary 2012 …

Romney tax returns detail funds not identified in ethics forms  —  Republican presidential candidate and former Massachusetts Gov. Mitt Romney walks under a sign during a campaign event at Paramount Printing in Jacksonville, Florida.  (Chip Somodevilla/Getty Images / January 26, 2012)

Unemployment in Spain Rises to 15-Year High of 22.9%  —  Spain's unemployment rate rose to 22.9 percent, the highest in 15 years, increasing pressure on Prime Minister Mariano Rajoy to deliver on his election pledge to create jobs in a shrinking economy.  —  The unemployment rate rose …

Santorum's Main Backer Plans to Keep on Funding  —  While Rick Santorum is in Florida seeking to revive his presidential campaign, a man in Wyoming might hold the key to extending his candidacy, and the entire fight for the Republican nomination.  —  Foster Friess is the largest financial backer …

The economic chart that may doom the Obama presidency  —  In his State of the Union response the other night, Indiana Governor Mitch Daniels neatly summed up Mitt Romney's (who has a roughly 90 percent chance of being the GOP nominee according to Intrade) economic case against President Barack Obama …