Recent cuts at pharmaceutical giant Pfizer’s Sanford plant has some Lee County leaders rethinking already-contracted economic incentives with the company. Lee commissioners talked this week over roughly $36 million in tax value reductions at the local facility that, on top of hundreds of layoffs expected by 2015, has officials mulling whether to halt incentive payments to the drug manufacturer altogether or demand a refund. “I don’t know about going backwards, but I do know about going forwards we should not be making payment,” Lee County Manager John Crumpton said Thursday.