Views expressed in opinion columns are the author’s own.
The footage shows an elderly man on his daily walk through Anza Vista, San Francisco, on the morning of Jan. 28. Suddenly, a 19-year-old assailant comes into view, running at high speed, and shoves him to the ground. The man sustained brain hemorrhaging from the attack, lost consciousness and never regained it. He was an 84-year-old San Francisco native of Thai origin, and his name was Vichar Ratanapakdee.
Since the…