This is no time to forget the lessons of history, for this is a monster you cannot make a deal with.

Putin's aggression against Ukraine and against international rules and norms demonstrates the urgency of maintaining American superiority in emerging domains.

we very much valued and appreciated your support, which was critical.

It is our analysts' assessment that the transfer of these airplanes could be perceived as a significant escalation by the Russians.

will you commit this morning to requiring CIA analysts to write down their requests for conducting searches on Americans so those searches can be reviewed?

I would recognize that Senator Collins has been working on literally for years and years and years.

I would like to go back to the escalation ladder, though, with these types of weapons.

It's dangerous because we're afraid the Russians will get a hold of it.

I truly believe that whoever wins the technology race in the 21st century will lead to economic and other levels of dominance.

This is, I imagine, probably the most important and most watched worldwide threats hearing in my time in the U.S. Senate.

Russia's ability to provide a monopoly and to weaponize energy when it comes to Europe could well undermine the sanctions.

if Congress had just followed Senator Collins ten or eleven years ago, we might be further along on the cyber issue.

We may not be at war with Russia, but we are most certainly in conflict with Putin.

I think I join a chorus of gratitude and commendation for the work of the Intelligence Community.

I want to address a bigger point, and I want to join with a lot of my colleagues to commend the Intelligence Community.

I feel very strongly that the Ukrainians should be able to defend their own airspace.