Larry King Now host Larry King this week asked author Malcolm Gladwell to explain the relatively quick acceptance of LGBT rights.

“Things change so quickly now,” King said. “For example, it took blacks forever, and they're still working on getting equal treatment, but gay marriage is the law. And that seems swift. How did that happen so fast?”

“The gay marriage story is an incredibly unusual one, 'cause you would have thought of all of the social issues facing America, that would be one that we would wrestle with as long as abortion. Right?” Gladwell replied. “But it turns out no. It sort of went away and we're still fighting about abortion.”

“I think maybe it's a couple of things. One is that gays and lesbians wanting to join the rest of society. Right?”

“And that at the end of the day is good [news]. People finally woke up to say, 'Wait a minute. That's a fantastic thing; a beautiful thing.' So, maybe that's the difference. It seemed like it's a really threatening, challenging issue. And then people thought about it for about five minutes and they realized, 'Actually no, it's very life affirming.'”

Gladwell, 53, is best known for writing Blink: The Power of Thinking Without Thinking and The Tipping Point. According to Wikipedia, combined the books had sold more than 4.5 million copies as of 2008.