Lara Trump did a warm up act to cue the crowd for this chant. It was planned.

“Lara Trump, daughter-in-law of the president addressed the crowd before Trump spoke, saying: “If you don’t love our country — the president said it...”

“Leave!” the crowd replied. https://t.co/SX0PO4Dq2Q

— Stuart Stevens (@stuartpstevens) July 18, 2019