Ari Shapiro

In American cities, the murder rate has kept rising over the last couple of years. One of the most violent cities in the U.S. is Baltimore.

That's where 22-year-old photographer Amy Berbert lives. She's been documenting every murder that took place in Baltimore in 2016. The city has more than twice as many homicides per capita as Chicago.

When senators come back to Washington on Monday, a handful of Republicans will help decide the fate of legislation that could reshape health care in America.

One of them is Nevada Republican Dean Heller.

Sen. Heller is one of a small bunch of Republicans who have said they will not support the latest draft proposal to repeal and replace the Affordable Care Act, or Obamacare. Republican leadership can only lose the support of two of its own senators and still pass such a bill.

If you crack open a beer this Fourth of July, history might not be the first thing on your mind. But for Theresa McCulla, the first brewing historian at the Smithsonian's National Museum of American History, the story of beer is the story of America.

"If you want to talk about the history of immigration in America, or urbanization or the expansion of transportation networks, really any subject that you want to explore, you can talk about it through beer," McCulla says.

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ROBERT SIEGEL, HOST:

Drive east from Washington and eventually you run smack into the middle of the Chesapeake Bay, the massive estuary that stretches from the mouth of the Susquehanna River at Maryland's northern tip and empties into the Atlantic 200 miles away near Norfolk, Va.

The Chesapeake is home to oysters, clams, and famous Maryland blue crab.

It's the largest estuary in the United States.

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