ements ▁cost ▁American ▁jobs , ▁fail ▁to ▁protect ▁foreign ▁workers , ▁harm ▁the ▁environment , ▁and ▁cost ▁U . S . ▁tax pay ers ▁bill ions ▁of ▁dollars . ▁ ▁Sh erman ▁has ▁also ▁opposed ▁a ▁Free ▁Trade ▁Ag re ement ▁with ▁South ▁Korea , ▁arg uing ▁that ▁a ▁proposed ▁U . S . ▁trade ▁agreement ▁could ▁und erm ine ▁U . S . ▁security ▁and ▁economic ▁interests ▁by ▁benef iting ▁China ▁and ▁North ▁Korea . ▁ ▁Education ▁Sh erman ▁has ▁earned ▁a ▁ 1 0 0 % ▁rating ▁from ▁the ▁California ▁Te ach ers ▁Association , ▁the ▁National ▁Education ▁Association , ▁and ▁the ▁American ▁Federation ▁of ▁Te ach ers . ▁ ▁Office ▁environment ▁and ▁Matt ▁D ab ab neh ▁sexual ▁mis con duct ▁alleg ations ▁In ▁December ▁ 2 0 1 7 , ▁eight ▁former ▁a ides ▁to ▁Sh erman ▁said ▁that ▁his ▁offices ▁in ▁Washington , ▁D . C . ▁and ▁California ▁had ▁a ▁to xic ▁environment ▁character ized ▁by ▁frequent ▁" ver bal ▁ab use ▁from ▁the ▁con gress man ▁and ▁senior ▁staff ▁that ▁made ▁them ▁feel ▁bul lied ▁and ▁dem oral ized ." ▁A ▁focus ▁of ▁the ▁criticism ▁was ▁Matt ▁D ab ab neh , ▁Sh erman ' s ▁district ▁director ▁and ▁a ▁close ▁ad visor , ▁who ▁began ▁working ▁for ▁Sh erman ▁in ▁ 2 0 0 5 , ▁and ▁became ▁district ▁director ▁to ▁Sh erman ▁in ▁ 2 0 0 9 . ▁D ab ab neh ▁was ▁elected ▁to ▁the ▁California ▁State ▁Assembly ▁in ▁ 2 0