If I were realignment czar for a day, I would make 2 conferences out of the B1G, P12 , B12 and some independents like this:
B1G: 20 team merger of B1G and P12
Existing: PSU, OSU, MI, Rut., Md, MSU, IN, Pur., NW, IL, WI, IA, MN
Add: USC; UCLA; Oregon; Wash; Stanford; Cal, AZ
Lose: Nebraska
Flex...