<img alt="" height="1" width="1" />Palin's Paul Revere cause [b]Wikipedia tug-of-war[/b] Richmond Times Dispatch By AP Sarah Palin's version of Paul Revere's ride has triggered a tug of war over the Wikipedia entry on that historic event that left the page shielded against further changes. Dozens of changes were made to the Revere page on the Internet site Sunday ...