BostonGlobe.com Political Headlines - January 31 2012

• As Fla. heads to polls, GOP candidates keep sparring: Today's Florida GOP Primary didn't stop candidates Mitt Romney and Newt Gingrich from continuing their feud. Political reporters Michael Levenson and Matt Viser recall. 

• Much unsaid as Mitt Romney cites his tie to Mexico: Washington bureau deputy chief Michael Kranish writes about Mitt Romney's ties to Mexico as it relates to the immigrant population in Florida. 

• New poll gives Mitt Romney even wider lead in Florida primary: According to a poll released yesterday, Mitt Romney had widened his lead to 14 points in Florida. NH Correspondent Shira Schoenberg discusses the poll.

• Newt Gingrich says Mitt Romney denied Jewish seniors kosher meals while governor: Washington bureau chief Christopher Rowland reports on Newt Gingrich's claims that Mitt Romney denied Jewish seniors kosher meals when he was governor.