▁who ▁has ▁served ▁as ▁the ▁U . S . ▁Represent ative ▁for ▁Illinois ' s ▁ 3 rd ▁con gression al ▁district ▁since ▁ 2 0 0 5 . ▁His ▁father , ▁Bill ▁Lip in ski , ▁held ▁the ▁seat ▁from ▁ 1 9 8 3 ▁to ▁ 2 0 0 5 . ▁The ▁district ▁en comp ass es ▁parts ▁of ▁south western ▁Chicago ▁as ▁well ▁as ▁much ▁of ▁its ▁south western ▁sub ur bs . ▁ ▁Lip in ski ▁has ▁worked ▁for ▁a ▁number ▁of ▁polit icians , ▁including ▁U . S . ▁Representatives ▁George ▁E . ▁Sang meister , ▁Rod ▁B lag o jev ich ▁and ▁Dick ▁Ge ph ard t , ▁and ▁Cook ▁County ▁State ' s ▁Att orney ▁Richard ▁A . ▁Dev ine . ▁He ▁has ▁a ▁Ph D ▁in ▁political ▁science ▁from ▁Duke ▁University . ▁He ▁taught ▁at ▁the ▁University ▁of ▁Notre ▁D ame ▁from ▁ 2 0 0 0 ▁to ▁ 2 0 0 1 ▁and ▁at ▁the ▁University ▁of ▁Tennessee ▁from ▁ 2 0 0 1 ▁to ▁ 2 0 0 4 . ▁In ▁ 2 0 0 4 , ▁Lip in ski ' s ▁father ▁won ▁the ▁Democratic ▁primary ▁for ▁Illinois ' s ▁ 3 rd ▁con gression al ▁district , ▁and ▁shortly ▁after ward ▁with d rew ▁his ▁re e lection ▁bid . ▁Upon ▁Bill ▁Lip in ski ’ s ▁ret irement , ▁the ▁state ▁Democratic ▁Party ▁chose ▁the ▁younger ▁Lip in ski ▁to ▁replace ▁his ▁father ▁on ▁the ▁ball ot . ▁Lip in