Scott D. Pierce: If American athletes protest during Olympics, NBC will air it. Probably.

As presented by NBC Sports, the Olympics are a feel-good festival of nationalism, positively packed with American flags and chants of “USA! USA!”A protest by American athletes might take a bite out of that narrative. Particularly if such a protest came, say, during the Opening Ceremony — if something took place equivalent to Tommie Smith and John Carlos raising their fists at the 1968 Summer Games in Mexico City or NFL players taking a knee during the national anthem.So what wi