It is not just the Pastor. It is written into church doctrine and documented on their web site for all to see. The church Obama has attended for almost 20 years.
Obama has openly contradicted his own statement on Wright several times this past week. One minute he says he never heard or knew of it the next he is saying before the campaign started he never knew then back again to never heard of it at all before now.
http://www.tucc.org/black_value_system.html