Joseph Biden actually said...

the White House has repeatedly warned Russia over the last few weeks that a Russian invasion of Ukraine would have severe, severe diplomatic...

He also wants to make clear to Vladimir Putin what the cost will be if indeed, he decides to move forward with an invasion of Ukraine.

If you know you don't invade and by the way we're coordinating with our allies and by the way there will be severe costs.

There is no federal solution. This gets solved at the state level.