Rob Reiner, the award-winning director behind "The Princess Bride," "When Harry Met Sally," "A Few Good Men" and more, helped shape cinema with stories full of heart and humor. David Muir looks back at Reiner's life and the lasting legacy he leaves behind. https://abcnews.link/kHoK73k | ABC World News Tonight with David Muir

House Democrats hold a news conference on the GOP health care proposal. https://abcnews.go.com/Politics/gop-moderates-challenge-johnson-aca-subsidies-ed-american/story?id=128462798 | ABC World News Tonight with David Muir

WATCH LIVE: President Trump attends the Mexican Border Defense Medal presentation. | ABC World News Tonight with David Muir