President Trump and his administration are right to be concerned about national security, but it's unacceptable when even legal permanent residents are being detained or turned away at airports and ports of entry.

The impulse to scapegoat and belittle threatens to turn us into a fearful, backward-looking people. In the case of the Republican Party, those things also threaten to turn us into a fearful, backward-looking minority party.

Just when you think [Donald Trump] can stoop no lower, he does.

These are people who wanted to provide for their family and wanted a better life. We've got to have a secure border. But we've also, we've got to act compassionately and recognize labor markets as well. ... I've never thought that it's [path to citizenship] a bad thing. If somebody is going to be here for 20, 30 years, to give them some skin in the game, if you will, to hold out the prospect of citizenship.

When a leader correctly identifies real hurt and insecurity in our country and instead of addressing it, goes looking for somebody to blame, there is perhaps nothing more devastating to a pluralistic society.

I think the Respublican party's lost its way. We have given into nativism and protectionism. And I think that, if we're going to be a governing party in the future, and a majority party, we have got to go back to traditional conservatism, limited government, economic freedom, individual responsibility, respect for free trade. Those are the principles that made us who we are.

Reckless, outrageous and undignified behavior has become excused and countenanced as telling it like it is when it is actually just reckless, outrageous and undignified. And when such behavior emanates from the top of our government, it is something else. It is dangerous to a democracy.