Sam Farr: “I think it is time that we revisit that.”

History has shown us what we can get by retreating into a defensive, isolationist crouch.

We will take our chances down the road, even if that may mean a much steeper cost in terms of American blood and American treasure.

Sanctions are an important part of the toolkit, but they can't be the only one.

At a time when American leadership is needed more than ever, we must continue to invest in the international affairs budget.