After two rousing hymns, an array of announcements, and special wishes for the sick and shut-ins, Pastor Sidney Williams Jr. on Sunday asked visitors to Bethel AME Church in Morristown to stand an introduce themselves to the congregation. The Democrat from Montclair, who is running against Republican state Assemblyman Jay Webber of Morris Plains for the seat held by retiring Rep. Rodney Frelinghuysen , joined in the ritual greeting of the service, moving through the crowd, shaking hands and receiving hugs.