Mark Kirk: “I want to thank you. And I've thanked you over and over again for shepherding the Stryker vehicle through the U.S. Army.”

I am dismayed that... not once did the Administration ever share that this was a pending item and/or that it was in the midst of a potential negotiation.

This is one of the gravest threats facing our national security and the security of our allies.

When Rouhani and his folks are sitting there with $1.7 billion in their jeans, it can be made very much worth their while.

I want to take an opportunity to reiterate my concern for Robert Levinson, an American citizen who mysteriously disappeared in Iran almost 10 years ago.