A bill in the Michigan Senate would require retailers to better separate alcoholic beverages and their non-alcoholic counterparts. Supporters say the change would deter underage drinking and ensure consumers have full knowledge of what they’re purchasing. The legislation would apply to co-branded beverages — alcoholic versions of pre-existing brands like Coke, Sunny D or AriZona Iced Tea. The plan has support from Democratic and Republican senators. The plan hasn’t yet moved out of committee, but could be advanced later this year.