Just how important is the senior vote in Florida? Nearly one in five Floridians is retired. And a survey conducted by AARP predicts that as many as 60 percent of those who cast ballots in Tuesday's Republican primary will be retirees. Front-runners Mitt Romney and Newt Gingrich have taken notice.

Federal sentencing punishments are supposed to be predictable. But Republicans in Congress argue that sentences are not consistent, and they're calling for tough new mandatory prison terms. Others say Congress shouldn't take away the discretion that judges have to evaluate each defendant.

Several top Egyptian generals are visiting the United States as the two countries try to work through points of friction, including U.S. military aid to Egypt and the recent Egyptian crackdown on American democracy groups.

Freddie Mac last month said it would stop making risky bets against homeowners after concerns were raised by its regulator, the Federal Housing Finance Agency. The statement by the FHFA was issued in response to an investigation by NPR and ProPublica that disclosed how Freddie Mac bought billions of dollars in securities that turned a profit if homeowners remained stuck in high rate mortgages. The White House said the Treasury Department is looking into Freddie Mac's investments. Steve Inskeep talks with NPR's Chris Arnold and Jesse Eisinger of ProPublica about their report.

The Florida Everglades is infested with Burmese pythons. To keep them from spreading, the U.S. Fish and Wildlife Service is making it illegal to import the pythons into the country, or transport them across state lines. Scientists have discovered the pythons are doing more damage than ever imagined.

The Florida Republican primary is here, and former Massachusetts Governor Mitt Romney leads former House Speaker Newt Gingrich by a wide margin. When Romney came to Florida last week after a solid thumping in South Carolina, Gingrich seemed to be a serious threat to his candidacy. But Romney's lead in polls has been growing.

Customers have many complaints against the cabs in Washington, D.C., including not all of them take credit cards. But a new service has taken the city by surprise including the cab commission. The service is called Uber and you can request a car from a mobile phone and pay for it by credit card.

Former House Speaker Newt Gingrich has promised his supporters that his campaign will go on to the Republican party's convention. The Florida primary is Tuesday, and Mitt Romney is expected to collect all the delegates in that nominating contest.

The Lakers have Jack Nicholson. Los Angeles' other NBA team has "Clipper Darrell." He has missed only one home game in the past nine years and shows up in full Clippers gear to taunt the other team. Now that his team is no longer second fiddle in Los Angeles, Clipper Darrell is in his element.