Once we affirm the goal of trying to make sure that you don't have jihadis infiltrating terrorist flows, we need to make sure we're doing it in a thoughtful way that's thinking about the 10 and 15 and 20 years long battle we're going to have against jihadists.

We obviously have to honor the commitments that have been made to the people who are already retired or near the retirement age. But we need to tell the truth about the fact that when we set the retirement age at age 65 in America, life expectancy was only 62.

While Admiral Neffenger is an impressive man, it is naive and dangerous to pretend installing one director can heal what ails TSA, the Department of Homeland Security needs to admit that it has a crisis of bureaucratic complacency - lacking an overarching vision and coherent measures of success and failure.

We should vigorously debate policy differences. We have too much all-or-nothing in American politics.

Let's be clear: Has the U.S. ever made any mistakes? Of course.Is the U.S. at all like [Vladimir] Putin's regime? Not at all.

There is no equivalency between the United States of America, the greatest freedom loving nation in the history of the world, and the murderous thugs that are in [Vladimir] Putin's defense of his cronyism. There's no moral equivalency there.

People think if they voted for somebody, they should reflexively defend everything they do or say. And if you voted against somebody, you should just as reflexively oppose everything they do or say. It's not very helpful. What's more constructive for our kids is to go on a case-by-case basis, evaluating particular policies.