(petitioner had alternative medicine practice and established trusts purportedly in furtherance of medical practice and asset protection; petitioner's corporation made payments to trusts and claimed deductions for such payments; deductions denied on basis that trusts where shams; trusts lacked independent trustee, taxpayer's relationship to trust property not materially changed after property transferred to trusts, no economic interest in trusts passed to other beneficiaries (except for minor instance), no meaningful restrictions imposed on petitioner, and trusts paid petitioner's personal expenses; trusts disregarded as shams for tax purposes).