The Missile Defense Agency says it has conducted another successful test of its ground-based interceptor system.

Monday's test involved a missile carrying a dummy warhead fired from Kwajalein Atoll in the Pacific Ocean towards the U.S. West Coast. Sensors tracked the missile as it flew, and then two interceptors were launched from Vandenberg Air Force Base in California.

The Medicaid expansion promoted by the Affordable Care Act was a boon for St. Mary's Medical Center, the largest hospital in western Colorado. Since 2014, the number of uninsured patients it serves has dropped by more than half, saving the nonprofit hospital in Grand Junction more than $3 million a year.

But the prices the hospital charges most insured patients have not gone down.

It was a frigid 15 degrees on the picket line along the railroad tracks in Wilmerding, Pa. More than 100 union members and activists chanted slogans of solidarity and in favor of a fair contract with Wabtec Corporation — a company that builds freight train locomotives. It turned out to be the final hours of a nine-day walkout by 1,700 workers.

Updated at 10:45 a.m. ET

The Department of Defense is shifting $1 billion from a military personnel account to build a 57-mile fence at the southern U.S. border, saying the funds were freed up after some service branches fell short of their recruiting goals.

Days after three separate suicides in Parkland, Fla., and Newtown, Conn. left those communities reeling, the Senate is doing something rare for a GOP-led chamber: holding a hearing on gun control.

Joining me on this edition of All Songs Considered is NPR Music's Lyndsey McKenna, Marissa Lorusso and Joshua Bote for some sips of Rosé, bites of cupcakes and sweet music. Today's sounds include the legendary dub master and reggae king Lee "Scratch" Perry. At 83-years of age, he's just made a brilliant new record with another legendary producer, Adrian Sherwood. Both artists are the reason that punk and reggae became so intertwined in the 1980s.

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After returning from a family vacation, Jackson resident Kevin Pruitt won $77,777 on a Missouri Lottery Scratcher ticket.

“We got home from Cancun on Thursday, and I bought the ticket on Friday,” said Pruitt. “My wife works next door to a mini-mart, and I stop in a few times a week to buy a ticket while I’m visiting her.”

The ‘Fireball 7s’ ticket awards players with a prize for uncovering ‘7’ symbols.