INDIANAPOLIS — Indiana State senators are scheduled to take a final vote on a proposed constitutional amendment banning gay marriage after approving a version last week which would put off a public referendum until at least 2016.

Indiana Senate chamber
Republican Sen. Mike Delph of Carmel announced Monday he would make a last-ditch attempt to place the measure back on track for a vote this November. However, he acknowledged he faced long odds.
Indiana senators advanced the proposed ban without a provision that would ban civil unions. Under the state’s constitutional amendment process, the civil unions ban must be included in the amendment for it to be placed on this November’s ballot.
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The Senate’s decision last week marked a victory for opponents of the marriage ban, just three years legislators approved the amendment with broad support.
Update: The Senate is expected to vote during its session, originally scheduled for 1:30 p.m. EST, but now delayed until 3 p.m. EST.
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