Washington City Paper Editor-in-Chief Erik Wemple Erik Wemple, editor-in-chief of the Washington City Paper, is leaving the alt-weekly for higher ground, City Desk reports. Wemple’s been tapped to lead a new, all-local online venture planned by Robert Allbritton, the brain behind the Capitol Hill upstart newspaper Politico and owner of local ABC affiliate WJLA and News Channel 8. Allbritton’s new project is estimated to have 50 staffers, some culled from WJLA and News Channel…