Columbus, once immigrant hero, now heel to some

The image and story of Christopher Columbus, the 15th-century navigator who began European incursions into the Americas, have changed in the U.S. over the decades. Columbus was an obscure figure until his adventures were revitalized in the 1800s. By the 1990s, a new generation of Native American activists blamed the navigator for launching centuries of Indigenous genocide. With Columbus Day falling on Monday - and now being called Indigenous Peoples' Day in some states - here's a look at how views of Christopher Columbus have changed over the years: