National

Updated at 2:30 p.m. ET

President Obama formally unveiled his plan to cut power plant emissions — some two years in the making — calling it the "single most important step that America has ever made in the fight against global climate change."

Updated at 6:52 p.m. ET

Republican calls to defund Planned Parenthood over its alleged handling of fetal tissue for research are louder than ever. But they are just the latest in a decades-long drive to halt federal support for the group.

This round aims squarely at the collection of fetal tissue, an issue that had been mostly settled — with broad bipartisan support — in the early 1990s. Among those who voted then to allow federal funding for fetal tissue research was now-Senate Majority Leader Mitch McConnell, R-Ky.

Facing securities fraud charges, Texas Attorney General Ken Paxton turned himself in at a jail in Collin County, Texas, on Monday morning. A grand jury recently indicted Paxton on three felony charges that accuse him of misleading investors into a technology company.

"Two of the charges — first-degree felony securities fraud — carry the possibility of hefty jail sentences," reports member station KUT in Austin.

Zimbabwean wildlife officials have accused a second American of killing a lion during an illegal hunt, this one in April. It comes a week after the international furor set off by the killing of Africa's iconic lion Cecil by a Minnesota dentist in early July.

In a new video, presidential candidate Ted Cruz has manages to combine one of America's near-universal loves with one of its more contentious pastimes: bacon and guns.

The story of hitchBOT — the robot that had visited Europe and New York City, but couldn't make it out of Philadelphia in one piece — may not be over. A Philadelphia tech group is offering to rebuild the robot and hoping to repair their city's reputation.

A kid-sized robot that's built around a plastic bucket and sports a friendly LED face, hitchBOT had been on a mission to travel from Massachusetts to San Francisco, relying on the kindness of humans it meets along the way.

In a tragic accident that has left a Kansas community in mourning, a bat boy hit in the head by a player taking practice swings Saturday has died of his injuries. Kaiser Carlile, 9, was a well-loved part of the Liberal Bee Jays, a summer league team for college players.

Photos of Carlile show him as a freckle-faced boy: hustling around the field, sitting in the dugout and talking with the players. But during his team's National Baseball Congress World Series game Saturday in Wichita, he was hit in the head by a bat as he ran past the on-deck circle after an out.

The inaugural 2016 debate for the White House on Thursday will be the first time many voters will be tuning into the volatile GOP campaign, and candidates are praying they'll get a boost and not a bust from the face-off.

"The level of engagement has been very low," said Rick Wilson, a Florida-based national GOP strategist. "This will be a week where we will probably have record viewership on Fox News for a primary debate, and it's going to get a lot of attention and a lot of focus."

This story is part of NPR's series Journey Home. We're going to the places presidential candidates call home and finding out what those places tell us about how they see the world.

As Martin O'Malley neared the launch of his presidential campaign, the former Baltimore mayor and Maryland governor said he wouldn't think of announcing his bid "anyplace else," even as the city exploded with riots after the death of Freddie Gray, a young black man who was fatally injured while in police custody.

In 1953, Dr. John Clements realized something fundamental about the way the lung functions — an insight that would ultimately save the lives of millions of premature babies.

The story begins in 1950, when the U.S. Army sent Clements, a newly graduated physician, to the medical division of what was then called the Army Chemical Center in Edgewood, Md. Clements was interested in doing research in biochemistry. His commanding officer was of a different mind.

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