Good-faith re-examination of a position you've held in the past should be seen as a virtue, not a vice.

I support allowing gay couples to marry because of - not in spite of - my values. And many of those values are the same ones deeply held by those who do not believe in gay marriage.

There is no getting around it; Congress is failing the American people.

It's the uncertainty, the challenge and the willingness to put it all on the line that draws a lot of people to climb mountains. That can also apply to a lot of other challenges in life, whether it's running for office, starting a family, going to grad school or taking all of your cash and assets and starting a business.

On the mountains mistakes are fatal. In politics, mistakes are wounding emotionally, but you recover. Personally, wilderness helps me get back in touch with natural rhythms, helps me reflect and, in the process, restore my creativity.

As the nation watches, Democrats and Republicans should reflect the interspersed character of America itself. Perhaps, by sitting with each other for one night, we will begin to rekindle that common spark that brought us here from 50 different states and widely diverging backgrounds to serve the public good.

Some of the best times I've spent in Colorado have been in the backcountry with my mom and siblings, and more recently, with my own kids. That is why I'm concerned to see today's kids spending more time browsing the Internet than exploring nature.