You don’t have to abandon your beliefs. Stand and put your hand on your heart during the anthem. But let others do what they may...convince them that your beliefs are also worthy of empathy through understanding and love.
That's why I'm disappointed in Drew's comment. In saying he "could never agree" with someone disrespecting the flag, he's insisting upon his own definition of what the act of kneeling does and what it's intended to do. So even if a kneeling player says it's not intended to disrespect the flag or those who fought for it, Drew says he can't accept that explanation. It's a pretty hard line to reject your own teammate's statement of his intent.