Prairie State becomes fourth to prohibit widely discredited practice
‘A historic moment’ for state
LGBT advocates say letter is 'green light' for clerks to distribute licenses statewide
Joins several other states in pushing measure
One expert says HRC's goal 'completely unrealistic'
Social conservatives tried to force him out of the position in March after he backed gay marriage
Measure passed by 34-21 vote margin
A full Senate vote is expected to take place on Valentine’s Day
Senate committee last week advanced measure before legislative session ended
Advocates hope incoming legislature will pass measure