Are you wanting a school or a one-topic seminar? For the former, you can't go wrong with the ABA school. But you won't get state law issues there. Otherwise, it is top notch.
Disclaimer - I teach at several of these. But I also attended them.
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AndyZ CRCM
My opinions are not necessarily my employers.
R+R-R=R+R
Rules and Regs minus Relationships equals Resentment and Rebellion. John Maxwell