The worst year for measles in a generation

One-year-old River Jacobs receives an MMR vaccine at a 2025 vaccine clinic in Lubbock, Texas. | Jan Sonnenmair/Getty Images This story appeared in Today, Explained, a daily newsletter that helps you understand the most compelling news and stories of the day. Subscribe here. America formally eradicated measles in the year 2000. But like many other remnants of the 1990s — flip phones, CDs, baggy pants — measles is now regrettably and undeniably back.  More than 2,300 Americans have come down…