I heard about this HRC coven claim and even heard from Art Bell years ago (I know) that HRC used AF1 to fly back to Cali for coven events on the tax payer dime. I'm looking for the sauce on that but I found reference to the Arkansas years trips here.
http://nrgiseternal.com/index.php?topic=1112.0
She and Bill also had a special Haitian Voodoo ceremony gifted to them for their wedding and Billybob was in awe.
http://www.haitiobserver.com/blog/former-president-bill-clinton-and-his-experience-with-haitia.html