There have been hundreds of terrorism trials in the U.S. since the attacks of Sept. 11, 2001, but the case unfolding in Brooklyn, N.Y., is different. While its focus is on defendant Adis Medunjanin and the role he allegedly played in a 2009 plot to bomb New York City subways, the trial itself breaks new ground. It marks the first time the public is hearing in open court about real al-Qaida plots from the people the terrorist group actually dispatched to carry them out.

A new rule that took effect this year in New York state is designed to stop the illegal sale of black bear parts for use in Asian medicine and cooking. While the sale of parts is still allowed, hunters will now have to document that they were taken legally.

The tiny village of Keene, N.Y., in the Adirondack Mountains is part of a trade network that supplies Asian apothecaries and restaurants from New York City to Seoul, South Korea.

A growing number of health experts are warning of potential collateral damage if the Supreme Court strikes down the entire 2010 Affordable Care Act: potential chaos in the Medicare program.

The Himalayas are sometimes called the world's "third pole" because they are covered with thousands of glaciers. Water from those glaciers helps feed some of the world's most important rivers, including the Ganges and the Indus. And as those glaciers melt, they will contribute to rising sea levels.

So a lot is at stake in understanding these glaciers and how they will respond in a warming world. Researchers writing in the latest issue of Science magazine make it clear they are still struggling at that task.

Ahead of Pennsylvania's primary Tuesday, the likely Republican presidential nominee has been campaigning in the state with a man at the center of running-mate speculation — Florida Sen. Marco Rubio. But Mitt Romney hasn't said much about whom he might name as his vice presidential choice.

Romney has said he appointed a longtime aide to handle the process and that he hasn't yet discussed making a list of potential candidates. But just about everyone else in politics is discussing it. And the men at the top of that list are asked about it a lot.

We don't usually point out opinion pieces on this blog. But Mona Eltahawy, an Egyptian-born and U.S.-based journalist, is making a statement worth noting. She wrote a cover essay titled "Why Do They Hate Us?" for this month's Foreign Policy.

The retrial of baseball great Roger Clemens began in earnest Monday after a week of jury selection. Clemens is charged with lying in 2008 to a congressional committee when he denied ever using steroids or human growth hormone.

He will be judged by a jury of 10 women and 6 men — 12 jurors and 4 alternates — who will decide whether Clemens lied under oath about using the drugs when he testified before a congressional committee investigating the use of performance-enhancing drugs in baseball.

The Oscar-and Grammy Award-winning artist Jennifer Hudson took the stand today during the trial of the man accused of killing her mother, brother and seven-year-old nephew.

Reporting from Chicago, NPR's Cheryl Corley filed this report for our Newscast unit:

"Hudson began crying when a prosecutor asked her about the last time she saw her family. She answered it was the Sunday before their slaying in October of 2008. The man accused of killing them, William Balfour, was Hudson's brother-in-law at the time.

With US Airways breathing down its neck, making nice with its unions as well as its creditors, American Airlines came to New York City on Monday to ask a federal bankruptcy judge for relief. Mostly, American wants relief from its unions — 13,000 jobs would be eliminated under its reorganization proposal. American has been hemorrhaging money for years and wants to lower its costs to compete.