What do we know about the state of What do we know about the state of cold fermions in the unitary regime? cold fermions in the unitary regime? Aurel Aurel Bulgac Bulgac , George F. , George F. Bertsch Bertsch , Joaquin E. , Joaquin E. Drut Drut , , Piotr Piotr Magierski Magierski , , Yongle Yongle Yu Yu University of Washington, Seattle, WA University of Washington, Seattle, WA Now in Lund Now in Lund Also in Warsaw Also in Warsaw