Robert Casey actually said...

"The treaty does not infringe on the flexibility we need to maintain our forces, including bombers, submarines, and missiles, in a way that best serves our national security interests."

"The treaty does not compromise the nuclear force levels we need to protect ourselves and our allies."

"The treaty will not constrain the United States from deploying the most effective missile defenses possible, nor impose additional costs or barriers on these defenses."

"The New START agreement does not restrict our ability to develop and deploy prompt conventional strike capabilities that could attack targets anywhere on the globe in an hour or less."