Tomorrow, Saturday, May 5th is the Minneapolis City Convention. It will take place at Augsburg College and begins at 10:00 AM. The contest between two-term incumbent Mayor Sharon Sayles Belton (DFL), former Twin Cities Reader Publisher RT Rybak (DFL) and Minneapolis City Council member Lisa McDonald (DFL). On Monday, Sayles Belton received the endorsement of the Star Tribune. Both Rybak and McDonald have confirmed they will continue onto the primary in…