Marisa Peñaloza

The current drug addiction crisis began in rural America, but it's quickly spreading to urban areas and into the African-American population in cities across the country.

"It's a frightening time," says Dr. Edwin Chapman, who specializes in drug addiction in Washington, D.C., "because the urban African-American community is dying now at a faster rate than the epidemic in the suburbs and rural areas."

In the shadow of the Capitol on a recent sunny morning, about 50 home care workers from around the country gather to lobby their legislators for basic labor rights. Most are native-born Americans, but about a quarter are documented immigrants from Africa, Latin America, India and the Caribbean.