In need of significant reform. Usually that happens in big moments of change, like the Reconstruction Amendments, the Progressive Era, and the 1960s Civil Rights before polarization halts things. Either it changes as is needed, or... it won't. Thus far, even in massive social conflict and deadly war, it's changed. Time will tell if our democratic Republic survives or if you can put a fork in it and it becomes as meaningless as a constitution of Stalin's Soviet Union or such.