While some Republicans are wont to decry anti-Guantanamo liberals as "anti-American," the only anti-American thing in this debate is Guantanamo itself. For it goes against everything our nation professes to respect and love.

The current immigration bill falls short of overhauling our broken immigration system. The heart of the bill is clearly the pathway to citizenship, but what's missing from the conversation is the number of individuals who will actually be barred from this path.

The ruling will begin to correct an unjust system by providing essential protections for an extraordinarily vulnerable group -- immigrants with serious mental disabilities whom the government imprisons while their cases remain pending.

It seems that the current administration led by President Obama has learned important lessons about not over-reacting, about defeating terrorism through resilience and respect for civil liberties like the right to a trial.

If we are to have an immigration system that's truly worthy of America's values, four critical reforms are in order, which I will be discussing at today's Senate hearing.

It may be that the time has come to create a "non-political" and "independent" attorney general, one who would serve the interests of the public by upholding the rule of law rather than justifying the whims of the president.

It's frustrating to see how muddled the debate over drones has become. The problem isn't the tool; the problem is how we are using it.

Courts have previously reached ambiguous and conflicting decisions regarding whether U.S. persons apprehended on American soil may be subject to indefinite detention under the laws of war. I am confident my amendment brings much-needed clarification to this area of the law.

If due process is a principle worth defending for citizens and green-card holders, then it's a principle worth defending for everyone. Failure to do that has already led the U.S. government to jail potentially innocent men for a decade or more offshore.

JFK to Eisenhower: What went wrong with the Bay of Pigs? Eisenhower: You didn't have a process. If the above is true (and if someone has a source pl...