DHS says they're sending a unit to the Winter Olympics as part of a security detail for the American delegation, but the mayor of Milan spoke out against them. While the unit being sent differs from the arm of the agency leading the controversial immigration crackdown, their presence at the Games is causing a heated debate. NBC News' Claudio Lavanga explains backlash.
A sharp drop in net immigration has led to a slowdown in U.S. population growth. The Census Bureau says the population grew only about half as fast in the year ending last June as it did the previous year.
