Your boss often looses her temper and points her finger in your face can you charge her with assault?

As with most legal matters, it depends on the state. It also depends on what she is shaking her finger at the employee For. Sexual harrassment is against Federal Law. Therefore, it is illegal in all 50 states. In other matters, the general rule is; the more Conservative the state, the more it supports Business rights. Therefore, the odds are slim that such a lawsuit would be honored, or that her behavior would be illegal. The Liberal states are much more supportive of Labor rights. In one of Those states her behavior might well be against the law, and such a lawsuit would be accepted.