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.

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.”

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 …

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 …

President Obama: I Want Second Term ‘Badly’  —  President Barack Obama today signaled an aggressive tact for his early re-election campaign, critiquing his Republican opponents by name and insisting he's ready to “fight with every fiber of my being” for a second term.  —  “How much do you want it?”

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)

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.

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 …

The Republicans' Electoral College Newt-Mare  —  Larry J. Sabato, Kyle Kondik and Geoffrey Skelley, U.Va. Center for Politics … In the aftermath of voting in the deeply conservative South Carolina primary, one voter quoted by The Washington Post seemed to summarize what Republicans there were looking for in a candidate:

Worst News Story of 2012?  —  This Reuters hit piece on Marco Rubio-nowadays, when I talk about Rubio, I have to stop and think whether it's Marco or Ricky-is an early contender for the title.  Reuters' theme is that Rubio criticizes extravagant federal spending and deficits, but has had financial problems himself.

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 …

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% …

Romney Rolls in Florida Despite Gingrich Debate Mastery  —  With the Presidential Preference Primary looming on Tuesday, Mitt Romney holds a solid lead over the Republican presidential pack in Florida, according to a Sunshine State News Poll of likely primary voters.