WHITE HOUSE A debate over patriotism and the right of free expression is continuing in the United States with President Donald Trump extending his criticism of professional athletes who decline to stand for the national anthem. The controversy was on display Tuesday afternoon on the White House South Lawn, where Trump briefly presided over a quickly reformatted celebration after his administration accused America's champion professional football team of attempting to turn the event into a "political stunt." Trump the previous day had disinvited the Philadelphia Eagles from what was to be a celebration of their Super Bowl victory. Many of the Eagles' players had indicated they would not attend in response to Trump's harsh criticism of athletes who have refused to stand during pregame performances of the national anthem even though all the Eagles stood for the anthem last season. Trump relabeled Tuesday's gathering as a "celebration of the American flag." Speaking for 3 minutes, he told flag-waving invited fans of the team that he wanted to explain why "young Americans stand for a national anthem. Maybe it's about time we understood." One attendee shouted at the president to "stop hiding behind the armed services and the national anthem." That prompted booing and the man was escorted from the event. Trump concluded by saying that the celebration turned out to be "even bigger than we anticipated" had the football players attended. Media reports said as few as five to 10 players had planned to attend Tuesday's event. "The vast majority of the Eagles team decided to abandon their fans," the White House said in a statement Tuesday. "The Eagles are the ones who tried to change their commitment at the 11th hour," White House press secretary Sarah Sanders told reporters just prior to the event. "If this wasn't a political stunt by the Eagles franchise, then they wouldn't have planned to attend the event and then backed out at the last minute." A White House statement said Trump withdrew the invitation "after... According to the above context, answer the following question. When did professional athletes refuse to stand for the National Anthem?
Answer:
during the National Anthem