Donald Trump and his supporters feud with professional sports teams...

Trump's comments about players protesting: http://www.cnn.com/2017/09/24/politics/donald-trump-nfl-sunday-protest-response/index.html

NFL teams react to Trump's comments about players protesting: https://www.cbssports.com/nfl/news/nfl-week-3-national-anthem-protests-how-teams-rebuked-donald-trump-on-sunday/

Trump never served his war "duty": http://thehill.com/blogs/ballot-box/presidential-races/290105-trump-got-five-draft-deferments-during-vietnam

Trump and his feud with the Warriors regarding the white house visit: https://www.cbssports.com/nba/news/lebron-calls-trump-a-bum-other-nba-players-react-after-warriors-rescinded-invite/

Nascar owners say they will fire those who protest the anthem: http://www.totalprosports.com/2017/09/24/nascar-owners-threaten-to-fire-drivers-crew-members-who-protest-national-anthem/

Penguins will visit the white house: http://www.latimes.com/sports/la-nfl-week-3-live-updates-president-trump-boasts-stanley-cup-1506280594-htmlstory.html

Questions to consider.

Differences in response to protesting by sports. The reason(s) why people are upset about the protest and the reasons why everyone returns to the idea of kneeling goes against everything our troops have done.