Rob Reiner, the son of a comedy giant, went on to become one himself, as one of the preeminent filmmakers of his generation with movies such as "This Is Spinal Tap," "The Princess Bride" and "When Harry Met Sally." ––– Subscribe to ABC News on YouTube: https://abcnews.visitlink.me/59aJ1G ABC News is your daily source of breaking national and world news, exclusive interviews and 24/7 live streaming coverage. Download the ABC News app for the latest headlines and alerts: https://abcnews.go.com/