Ahead of Super Bowl LII on Sunday, counselor to the president Kellyanne Conway defended President Donald Trump's feud with protesting NFL players who have taken a knee during the national anthem, saying "In my house and in many other households across this country we say 'you take a knee for the lord and you stand for the flag.'" ... ," Greg Magarian, a professor of constitutional law at Washington University Law School said in September 2017....