Greg Allen

From Pensacola to Miami, the Republican primary is in full swing. Newt Gingrich, Mitt Romney and Rick Santorum are blanketing the state with rallies and personal appearances. The airwaves are full of campaign ads.

But Jeanne Casserta has heard enough. With several days left to go in the campaign, she stopped by the library in Coral Springs this week to cast her vote. She said she's heard plenty from both the Romney and Gingrich campaigns.

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DAVID GREENE, HOST:

As we've been reporting on the program this morning, Mitt Romney went on the attack at the GOP presidential debate in Florida last night. His target was rival Newt Gingrich, who was forced to defend his record as House speaker and later as a consultant to mortgage giant Freddie Mac. Gingrich denied charges of influence peddling that were leveled by Romney. And Gingrich said he was the type of bold, tough leader Washington needs.

In the race for the Republican presidential nomination, the tally stands at 1-1-1. Over the weekend, former House speaker Newt Gingrich re-established himself as a presidential contender with a resounding victory in South Carolina's primary.

He beat second-place finisher former Massachusetts Gov. Mitt Romney by more than 12 points. That means Romney, Gingrich and former Pennsylvania Sen. Rick Santorum have each won a nominating contest. Now all eyes are on Florida.

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RACHEL MARTIN, HOST:

In the days leading up to Tuesday's primary, with so much political activity compressed into such a small state, New Hampshire is pretty much nirvana for anyone fascinated by politics. Yes, all the candidates are there. But so are reporters, pundits, researchers, and as NPR's Greg Allen discovered, political tourists.

In Tuesday's primary, many of those showing up to vote will not be registered as Republicans. In New Hampshire, voters unaffiliated with either party can vote in the primary.

So-called "undeclared" voters outnumber both Republicans and Democrats in the Granite State, accounting for more than 40 percent of the electorate. That makes New Hampshire's independent vote a tempting, but elusive target.

In 2014, when expansion of the Panama Canal is complete, a new generation of superlarge cargo ships will begin calling on the East Coast. Cities like New York; Savannah, Ga.; and Miami are vying for the new business, as they race to deepen their ports and expand their facilities to accommodate the new ships.

But some of the cities are running into significant challenges. In Miami, where plans are under way to deepen the port to 50 feet, dredging is a hot topic. Some see it as a great business opportunity. To others, it's a threat to the environment.

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