To answer my own question: yes. I just booked den-stl-MSP-ord-lhr-CPH-lhr-hkg-BKK-HKG-lax-PHX-dfw-den on an ow130c award. (stopovers in caps). Using AA/BA/CX. This has got to be the best rtw deal out there. Thanks to Citibank, 20/20, and Kelloggs, I'm realizing a dream to fly around the world.