Benjy Sarlin’s report on the newly pugnacious Mitt Romney.

They say Mitt Romney has to go to war with Newt Gingrich. And it sounds like Mitt got the message. Our Benjy Sarlin is at a rally as I write with Romney and he’s tearing into Newt on every front — failed leadership, corruption, erratic temperament, the works. Report shortly.

The conventional wisdom holds that Florida is inherently friendlier territory for Mitt Romney. In any case, it’s certainly bigger territory, which tends to favor the better funded candidate with greater organization. But look back at the polls over the last two months and you see a rather different story. Read More

A lot of news, concessions and tells this morning on the Sunday shows. Our team is monitoring the action at TPMLiveWire.

Mitt says he’ll release his 2010 tax returns and estimates for 2011 on Tuesday.

One of Newt Gingrich’s few congressional supporters, Rep. Michael Burgess (R-TX) tells colleagues: Don’t worry. It’s all good!

Tonight’s results — a blowout win for Newt Gingrich — upend all the equations governing the GOP presidential primary. So which variables can we still be relatively sure of? Read More

To understand where this campaign is right now, these numbers are almost important as tonight’s results. Maybe more.

David Bossie, notorious or legendary GOP hatchet man depending on your tastes, tells TPM that Romney needs to stop attacking the “eventual nominee” Newt Gingrich.

Get every little detail out of South Carolina tonight on TPMLiveWire.

Live county by county voting results right here.