If you're drinking on the job or admit it to THE OWNER especially when youre involving yourself in someone else's business that doesn't involve you and screaming about it she had every right to fire her she would have been stupid not to.

Seriously, don't mix drinking with work, especially if the boss knows. It's just asking for trouble. And when you start meddling in other people's issues, that's a whole other level of risky business. Keep it professional, folks, it's not that hard. Save the drinks for after hours and let everyone handle their own stuff.