This is the Cato Daily Podcast for Friday, March 22, 2013.

I'm Caleb Brown.

From a dramatic change of opinion from Senator Rob Portman to please of tolerance at a leading political action conference, conservatism's

icy relationship with gay marriage may be about to change.

Jimmy LaSallevaia is head of Go Proud. We spoke this week.

Take me back to 2008, or heck 2004,

right, when we had John Kerry trying to sort of narrowly define his opinion to sort of

to sort of I guess just reading the poll tea, and decide what his position was going to be on

gay marriage to 2012.

It's a pretty dramatic shift in public opinion.

Right. I think that we are at what is called the tipping point.

And on any issue, whatever the issue, there's a tipping point, and then it moves very, very, very fast and that's where we're

at today on the issue of same-sex marriage.

You know in 2004 I was volunteering in an election office, a Republican office in Kentucky.

And there was an anti-gay marriage amendment on the ballot there that year.

And they were distributing promotional materials for that marriage amendment.

And I went to the leader of the office and I said to her, I said, why are you distributing this nonpartisan ballot measure materials and not just

Republican Party candidates materials? And she said to me she goes, Jimmy,

Carl Rove has made it very clear that being against same-sex marriage is a

political winner for Republicans and that's just the political reality deal with it. And I've thought about that a lot, that that's the political

reality deal with it. And we're having a very different political reality now and

it's not just the politics of it it's the personal of it all

...