More consumers are turning to buffalo meat as a healthier choice that's often better for the environment. South Dakota is the biggest producer of buffalo, and ranchers there say their biggest challenge is keeping up with the demand.

Transcript

LINDA WERTHEIMER, HOST:

It was a reversal for CNN celebrity interviewer Piers Morgan yesterday. He had to answer questions about journalists in Britain hacking into phone messages and bribing police. A scandal about press practices has struck at the heart of Rupert Murdoch's media empire in the UK and has led to more than 20 arrests.

NPR's David Folkenflik reports that Morgan insisted he had no involvement in or knowledge of any of it back when he was a high profile tabloid editor in London.

There's a spirited debate going on between GOP presidential candidates Mitt Romney and Newt Gingrich. A Super PAC called Restore Our Future is running negative ads against Gingrich on Romney's behalf. Gingrich called on Romney to get the ads off the air. Romney responded by saying the law does not allow him to communicate with a Super PAC.

Transcript

RENEE MONTAGNE, HOST:

Most of the Republican presidential candidates are focusing their campaign efforts on Iowa at the moment; the first-in-the-nation caucuses there are less than two weeks away.

But not former Massachusetts Governor Mitt Romney. He's hundreds of miles away from Iowa, in New Hampshire. And today he's setting off on a three-day tour of the state, eyeing an early primary win.

Transcript

LINDA WERTHEIMER, HOST:

Many Americans begin their holidays with travel, and complaining about that travel is quickly becoming a favorite national pastime. Long lines, small seats, hidden fees for everything from carry-ons to a can of Coke - the list goes on. To help us understand why this is the new reality, we reached Seth Kaplan. He's the editor of Airline Weekly.

Mr. Kaplan, good morning.

SETH KAPLAN: Good morning, Linda.

This week Earth Notes continues its series on the sun, with a look at turning your backyard into a kitchen

Just as the inside of a parked car heats up on a sunny day, a solar cooker traps the sun’s rays in its enclosed interior, causing water, fat and protein molecules in the food to heat up. The molecules vibrate vigorously, and the food cooks.

Let Iran off the hook or undermine the global economy? Slap sanctions on an Iranian energy company or provide Europe with an alternative to Russian gas? Washington policymaking is especially difficult when the aims conflict, and few cases illustrate that principle more clearly than the challenge of finding a way to punish Iran without hurting someone else.