While I think it's very important that Marco Rubio and Senator [Ted] Cruz have contributed as senators... there's no doubt in my mind that being a governor is far, far better preparation for the ultimate responsibility as president of the United States.

Ohioans know who cut their taxes. Nobody else on the ballot did. Ohioans know who is responsible for job growth, and nobody else on the ballot was.

Marco Rubio is a talented young man, but record trumps rhetoric.

Credible reporting indicates that Al Qaeda is moving forward with its plans to carry out a large-scale attack in the United States in an effort to disrupt our democratic process.

I think it's one thing to be part of a very important group called the Senate of the United States and cast a vote. You're one of 100. I think it says even more to be a governor, where you ultimately have that political responsibility and accountability to succeed.

The near-term attacks ... will either rival or exceed the 9/11 attacks... And it's pretty clear that the nation's capital and New York city would be on any list.

We must also reject the false choice of liberty versus security. We can and must have both.