Nike took a risk this week with its new ad narrated by Colin Kaepernick, and the reaction ... the former NFL player the face of Nike's new "Just Do It" campaign, lit a firestorm on social media.

In September, NFL star Colin Kaepernick, who many have criticized as being anti-American after kneeling during the National Anthem, released a Nike ad ... to 'just do it,' which is Nike's ...