The vast diversity of Native American groups probably isn't something you covered all that in-depth in your U.S. history class. But the tribes living in precontact America built cultures as complex ...

By Kristina Cooke, Ted Hesson and Kevin Moffatt ATLANTA/WASHINGTON/AURORA, Colorado (Reuters) - Venezuelan migrant Yessenia ...

Donald Trump kicked off a wide-ranging immigration crackdown after taking office, allocating federal resources to track, ...