Nado and the United States Security Architecture

Nado, of course, was experiencing some drift in the years prior to this an there wre cont of more questions about what its roll should be. And that this 20 22 invasion by russia has certainly returned a sense of purpose to it. This is also, you return united states security focus to europe as well. So how would you view natos utility to the united states at this stage? And how can the united states balance commitments to europe with other pressing security concerns like near the rise of the rise of china?"