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Jared Lee Loughner has pleaded "not guilty" in a Phoenix courthouse Monday to federal charges that he attempted to kill Rep. Gabrielle Giffords and two of her aides on Jan. 8 in Tucson.

Loughner is alleged to have shot 19 people, killing six, during a Giffords' meet-and-greet at a grocery store.

The 22-year-old is expected to face state charges over the shooting when the federal case is resolved.

The AP reports that the question of Lougner's mental state did come up at the hearing:

In the 1950s, Wanda Jackson became one of the first women to start singing rock 'n' roll music. Now, after more than 50 years of performing everything from country to rockabilly to gospel, Jackson is updating her sound. She's released a new album of covers with the help of a performer nearly 40 years her junior: Jack White of The White Stripes.

Two days of talks with Iran — held by the United States, Europe, Russia and China — over its controversial nuclear activities ended Saturday with no progress. This time, Iran set preconditions the other side was unwilling to meet.

In the past when negotiations broke down, a certain feeling of panic emerged — but not this time. The expectations for the talks, which took place in Istanbul, were extremely low, and that proved to be appropriate.

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Today, NPR's All Things Considered introduces a series about how a fractured media environment has fundamentally changed the way Americans experience culture. The first installment in the series features our program Alt.Latino: how our show came to be and how it speaks to this cultural divide.

The Republican effort to repeal the health care law is going nowhere in the Democratic-controlled Senate, but that doesn't mean that the GOP is backing down. House Republicans are already beginning work in committees to lop off and possibly replace some of the law's individual provisions.

Party leaders have released few specifics, but some of the changes that have been urged by Republicans and a few Democrats could affect Americans' health care spending and coverage under the law.