Former House-aide-turned-lobbyist Kevin Ring received a new trial date Thursday for June 2010 after U.S. District Judge Ellen Huvelle declared a mistrial last week when jurors failed to reach a unanimous verdict.Ring had been on trial in the U.S. District Court for the District of Columbia under a September 2008 indictment stemming from the influence-peddling investigation of his former boss, disgraced ex-lobbyist Jack Abramoff.Ring, a former aide to then-Rep. John Doolittle (R-Calif.) and then-Sen. John Ashcroft (R-Mo.), is accused of providing tickets to sporting events and other gifts to Congressional staff in exchange for assistance for Abramoff’s clients.