NBA coach lights internet on fire after he calls Donald Trump a 'soulless coward'

The NBA regular season doesn't start until Tuesday, but San Antonio Spurs coach Gregg Popovich has already dominated an opponent — in this case, President Donald Trump. 
After Trump made the outrageously false claim that former President Barack Obama didn't contact the families of fallen troops, "Pop" went off when talking to The Nation's Dave Zirin. 
SEE ALSO: Why Gregg Popovich is such a powerful critic of Donald Trump
The five-time NBA champion coach and U.S. Air Force veteran