SPRINGFIELD — Democrats in the Illinois Senate on Wednesday advanced a measure that would prohibit Illinois companies from requiring employees to attend work-related meetings about politics or religion.Senate Bill 3649, which is backed by organized labor, passed the Senate Labor Committee 11-4. Backers have dubbed it the “Worker Freedom of Speech Act.”Tim Drea, president of the Illinois AFL-CIO labor organization, said the bill would help Illinoisans avoid unnecessary and potentially uncomfortable …