The Tesla Model S, Motor Trend Car of the Year, is introduced at the 2013 North American International Auto Show, in Detroit in January. Tesla's attempts to sell its cars without going through dealerships is meeting resistance.
Climate change is a stark reality in America's northernmost state. Nearly 90 percent of native Alaskan villages are on the coast, where dramatic erosion and floods have become a part of daily life.
Perched on the Ninglick River on the west coast of the state, the tiny town of Newtok may be the state's most vulnerable village. About 350 people live there, nearly all of them Yupik Eskimos. But the Ninglick is rapidly rising due to ice melt, and the U.S. Army Corps of Engineers says the highest point in the town — a school — could be underwater by 2017.
Six years ago, the FBI took on a challenge: To review what it called cold-case killings from the civil rights era. The investigation into 112 cases from the 1950s and 1960s is winding down, and civil rights activists are weighing the FBI's efforts.
The review comes with word this week of the death of a man who'd been named, by a newspaper investigation, as a possible suspect in one notorious case.
You can legally drink and drive in the United States, but there's a limit. In every state, drivers can't get behind the wheel if their blood alcohol content is .08 or higher, but the National Transportation Safety Board wants the states to lower the legal limit to .05 or even lower. Now, that would bring the United States into agreement with much of the rest of the world.
The Cleveland story. The escape of three women who were kidnapped and held captive for 10 years has attracted notice around the world. Of course, it's also an all-consuming local story. And the Cleveland Plain Dealer provided continuous coverage along with in-depth profiles of the three women, the neighborhood where they were held captive, and the man who allegedly kidnapped them.
A University of New Hampshire professor announced this week he's come close to solving a centuries-old problem proving something called the twin prime conjecture. We asked our math guy - Keith Devlin, of Stanford University - to join us, as he does now from their studios. Keith, thanks very much for being with us.
KEITH DEVLIN: Thanks, Scott. Nice to be with you again.
It's been a long slog already for the bipartisan immigration overhaul proposed by the Senate's Gang of Eight.
The legislation has been the target of more than 300 amendments during days of debate and votes by the Senate Judiciary Committee. But while the bill has largely held its own so far, its prospects for getting through Congress remain uncertain.
In Judiciary Committee Chairman Patrick Leahy's view, the immigration overhaul is "moving very well."
"It's moving a lot faster than people said it would," says Leahy, a Vermont Democrat.
When the American Psychiatric Association releases its new Diagnostic and Statistical Manual of Mental Disorders-- DSM-5 -- this weekend, lots of journalists and commentators will refer to it as "psychiatry's bible."
That's a term that makes the manual's authors and other mental experts cringe.
Gerry Leone was the district attorney for Middlesex County in Massachusetts when three people were murdered in a house in the Boston suburb of Waltham. He told reporters that police suspected the assailants and the victims knew each other.
An unsolved triple murder in the Boston suburbs is getting a closer look in the wake of the marathon bombings. One of the victims may have been a friend of bombing suspect Tamerlan Tsarnaev. That's prompting authorities to revisit the 2011 case.
The murders took place in Waltham, Mass. On Sept. 12, 2011, police responded to a house in the leafy suburb a few miles west of Boston.