Marijuana, gun control, minimum wage hikes win at the polls in various states

Filling a void created by congressional inaction, voters in a scattering of states tightened gun control laws and approved increases in the minimum wage. The campaign to legalize marijuana achieved a major breakthrough, with victories in at least six states.In all, more than 150 measures appeared on statewide ballots in Tuesday's election.California, Nevada and Massachusetts approved measures legalizing the recreational use of marijuana, while Florida, Arkansas and North Dakota voted to allow po