erman ▁retained ▁ 2 0 % ▁of ▁his ▁former ▁vot ers . ▁On ▁June ▁ 5 , ▁ 2 0 1 2 , ▁Sh erman ▁faced ▁B erman ▁in ▁the ▁primary ▁for ▁California ' s ▁new ▁ 3 0 th ▁Cong r essional ▁district . ▁Sh erman ▁finished ▁first , ▁leading ▁ 4 2 % ▁to ▁ 3 2 %. ▁However , ▁due ▁to ▁the ▁new ▁election ▁system ▁in ▁California , ▁which ▁put ▁the ▁two ▁candidates ▁who ▁received ▁the ▁most ▁votes ▁in ▁the ▁primary ▁against ▁each ▁other ▁regardless ▁of ▁party , ▁the ▁two ▁con gress men ▁again ▁faced ▁each ▁other ▁in ▁the ▁general ▁election . ▁Ne ither ▁candidate ▁received ▁an ▁official ▁end ors ement ▁from ▁the ▁state ▁Democratic ▁Party . ▁ ▁B erman ▁was ▁the ▁more ▁established ▁candidate . ▁He ▁was ▁end ors ed ▁by ▁over ▁ 2 0 ▁con gress men , ▁including ▁party ▁leaders ▁St eny ▁Ho yer ▁and ▁X avier ▁B ec er ra . ▁In ▁addition , ▁he ▁was ▁end ors ed ▁by ▁sitting ▁Governor ▁Jerry ▁Brown , ▁sitting ▁Los ▁Angeles ▁Mayor ▁Antonio ▁Vill ara ig osa , ▁and ▁the ▁state ' s ▁two ▁U . S . ▁Sen ators : ▁Barbara ▁Box er ▁and ▁D ian ne ▁Fe in stein . ▁He ▁was ▁also ▁end ors ed ▁by ▁ten ▁Republican ▁con gress men ▁from ▁California : ▁David ▁Dre ier , ▁W ally ▁Her ger , ▁Dan ▁L un gren , ▁El ton ▁Gal leg ly , ▁Buck ▁Mc Ke on , ▁Ed ▁Roy ce , ▁Jerry ▁Lewis ,