Vice President Joe Biden has never lacked for passion. And his occasional failure to restrain his enthusiasm has sometimes gotten him in trouble. But his over-the-top rhetoric was right on point when he gave the keynote address Saturday evening at the Human Rights Campaign’s gala in downtown Los Angeles. Biden told a story I had never heard, about the first time he saw two men kissing (at minute 14 of the video above). He was in junior high, and his father was driving him to apply for a lifeguard job. “We stopped at a red light and I looked over...