NPR News

NPR's Dan Charles has been looking into the problem of weeds that America's most widely used weed-killer won't kill anymore. It's a sneak preview of a story that will air later this week.

First responders never know what they'll find when they get called to an accident site. Sometimes crews have to rescue dairy cows from collapsed barns, evacuate horses during wildfires or move pigs off the highway after an accident. These first responders often don't have the proper training to handle large animals.

Republican presidential candidates have a chance to win hundreds of convention delegates after voters cast their ballots in Super Tuesday contests. The delegate count wouldn't be enough for any candidate to clinch the nomination, but it would help. Mitt Romney is hoping to return to front-runner status but Rick Santorum, Newt Gingrich and Ron Paul are trying to prevent that.

Morning Edition has four reports on Monday's campaigning leading up to Super Tuesday's 10 primaries and caucuses.

NPR's Don Gonyea was traveling with former Senator Rick Santorum in Ohio.

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RENEE MONTAGNE, HOST:

NPR's business news starts with more positive signs for the economy.

The U.S. economy is improving faster than previously predicted. This, according to two dozen economists surveyed by the Associated Press. The economists foresee stronger growth and more hiring than they did two months ago, and predict an unemployment rate at around eight percent by Election Day.

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RENEE MONTAGNE, HOST:

OK. And we all noticed rising costs at the gas pump. But those costs will also mean rising prices for airline tickets.

As NPR's Annie Baxter reports, that's already happening.

ANNIE BAXTER, BYLINE: If you've been looking for a great deal on airline tickets recently, you've probably been disappointed.

BOB MANN: Carriers have raised prices successfully twice, so far this year and that's out of four attempts. And I would expect another attempt literally within in a week.