Rival Factions of Top Donors Get Behind Marco Rubio and Ted Cruz  —  The wealthy donors who have built a powerful shadow Republican Party of outside groups are rapidly cleaving into two mutually hostile and deep-pocketed factions, complicating efforts to deny the party's nomination to Donald J. Trump …

Iowa poll reveals a line of attack that could sink Trump  —  DES MOINES — The final poll ahead of Monday's caucuses showed Donald Trump rallying to a five-point lead over Sen. Ted Cruz, R-Texas, with two days to go before voting, but it also revealed a line of attack that could sink Trump.

How Clinton is plotting to go after Trump  —  DES MOINES, Iowa — It's tunnel-vision time for Hillary Clinton as she battles Bernie Sanders here — but she's casting some serious side-eye in Donald Trump's direction.  —  After months of laughing off Trump — and assuming his ascent would propel …

Wind, Sun and Fire  —  So what's really at stake in this year's election?  Well, among other things, the fate of the planet.  —  Last year was the hottest on record, by a wide margin, which should — but won't — put an end to climate deniers' claims that global warming has stopped.

Benoît Violier, Top French-Swiss Chef, Dies at 44  —  LONDON — The French-Swiss chef Benoît Violier, who scaled the heights of gastronomy to preside over a small Swiss restaurant that was named the best in the world in December, has died in what seems to have been suicide, according to the police.

How Trump Did It  —  What they heard as they ate deli sandwiches around Donald Trump's hulking, wooden conference table sounded like the businessman's typical bravado.  These 25 New York political operatives had come to ask him to run for governor.  But Trump had another plan—a very specific plan—to run for president.

BofA: The Oil Crash Is Kicking Off One of the Largest Wealth Transfers In Human History  —  A $3 trillion shift.  —  Economists are still hotly debating whether the oil crash has been a net positive for advanced economies.  —  Optimists argue that cheap oil is a good thing for consumers …

Turning Texas blue?:  3 trends could undo the 20 years of Republican rule Texas has endured since the days of Ann Richards  —  It will take some doing, but if Democrats can capitalize on the GOP's weaknesses, there might be hope for Texas  —  Today Texas is the reddest of the red-hot states …

Bloomberg's Joshua Green: There Is No Rubio ‘Surge’ In Iowa  —  There is little evidence suggesting that there is a late surge for Sen. Marco Rubio (R-FL), according to the latest Des Moines Register/Bloomberg poll.  —  Bloomberg News reporter Joshua Green analyzed the latest polling information during …

Ted Cruz's Iowa Mailers Are More Fraudulent Than Everyone Thinks  —  Ted Cruz's Presidential campaign prides itself on being data-centric and on integrating insights from political science into its tactics.  In 2008, academics at Yale published an influential paper showing …