Summary: Illinois Republicans continue to struggle with their reactions to Donald Trump's bus video . Congressman Rodney Davis withdrew his endorsement while Gov. Bruce Rauner continues trying to dodge the question. Meanwhile, the Chicago Tribune editorial board is backing Democratic Congresswoman Tammy Duckworth over Republican Sen. Mark Kirk, citing concerns about Krik's ability to do the job following his 2012 stroke. And the advocacy arm of the conservative Illinois Policy Institute has screened its
