SportsPulse: The latest Nike - Kaepernick shoe debacle shouldn't be an opportunity to pick sides but a chance to take time to learn lessons about our own country's history, says USA TODAY 's Christine Brennan. » Subscribe to USA TODAY Sports: https://bit.ly/2L0ktE1 » USA TODAY delivers current local and national news, sports, entertainment,  finance, technology, and more through award-winning journalism, photos, videos and VR.