More than 2,700 dairy farms closed last year in the U.S., nearly a third were in "America's Dairyland." As Americans consume less milk, and turmoil in international markets challenge the country's dairy industry, many dairy farmers are struggling to stay afloat. More than 2,700 dairy farms went out of business in the U.S. in 2018, with nearly a third of those closures taking place in Wisconsin, long-known as "America's Dairyland." Hari Sreenivasan traveled to the Wisconsin's Clark County, the top dairy producing county in the state, to find out why dairy farms are closing and the impact they are having on the community.