COLUMBIA, S.C. — A Republican lawmaker’s attempt to stall a bipartisan-backed bill to legalize certain forms of marijuana for medical use failed as the proposal was advanced Thursday by the state House’s only Democratic-majority committee. The Senate-approved bill now goes to the full House and, if approved, would make South Carolina the 38th state to legalize medical marijuana. The measure, approved by the Medical, Military Public and Municipal Affairs Committee by a 15-3 vote, will not need significant bipartisan support to pass because the Senate passed the legislation well before this week…