Putin is wise to take advantage of an America under siege by the attempted coup of Obama al-Husseini. He can do whatever he wants without consequence.
There is nothing but sanctions or symbolic acts to deal with a nuclear weapons country (Russia) in this situation.
That’s been the bipartisan foreign policy of the US since WW II.
In 1956 Eisenhower was busy working with the Soviets against Israel, Britain and France during the Suez Crisis and not using any military force as the Soviets crushed the Hungarian revolt.
The tone of Republicans would be tougher than Obama, but there would be no actions that would lead to war with Russia.
Attempted? Successful.