The occasion was billed as a 'Celebration of America.' President Trump reminded the crowd, "We will always stand for the national anthem." But when the band struck up another patriotic song, the president appeared to struggle with the lyrics, and by the middle of the song, had stopped singing altogether. The 'Celebration' was put together after the president cancelled an event to honor the Philadelphia Eagles. InsideEdition.com's Tara Lynn Wagner (https://twitter.com/taralynnwagner) has more.