For any of you interested in the Patient Centered Medical Home (PCMH) model and particularly the scopes of practice for primary care providers, the American Academy of Family Physicians (AAFP) just put out an interesting report.  perhaps not surprisingly, they feel that physicians not Nurse Practitioners should lead the medical home.  You can find the full report at:
http://www.aafp.org/online/etc/medialib/aafp_org/documents/membership/nps/primary-care-21st-century/whitepaper.Par.0001.File.dat/AAFP-PCMHWhitePaper.pdf