depends on the state, but most places you can fire anyone you want for any reason you want. Trust me, I've been in front line management for twenty plus years. You may lose the unemployment hearing and have to pay, but you can fire them.
Liberalism means not having to believe in anything, never having to take a stand for anything or anyone, going through life with the tail tucked between the legs, devoid of a set of balls, and crying about everything. Anything anyone wants to do is fine.