The U.S. Supreme Court handed down four decisions today.  As the hour has grown late, Blawgletter will give just a thumbnail for each:

• Second amendment right to pack heat applies to states and cities as well as feds.  McDonald v. City of Chicago, No. 08-1521 (U.S. June 28, 2010).
• First amendment doesn't require law school to recognize religious group despite group's refusal to welcome all joiners.  Christian Legal Society v. Martinez, No. 08-1371 (U.S. June 28, 2010).
• President's Article II duty to enforce laws barred Congress from vesting enforcement power in officer he can't remove for good cause.  Free Enterprise Fund v. Public Company Accounting Oversight Board, No. 08-861 (U.S. June 28, 2010).
• Patent law doesn't protect abstract ideas like method for hedging commodity risk.  Bilski v. Kappos, No. 08-964 (U.S. June 28, 2010).