Fate of tax limits falls on 6 senators Tough vote looms Tuesday for undecided or undeclared Democrats By STEVEN WALTERS swalters@journalsentinel.com Last Updated: Aug. 10, 2003 Madison - Being a Wisconsin state senator is usually a pretty good gig. Staff members and other state officials rush to call you "senator," feeding your ego. Messengers run your errands. You can work as hard or as little as you want. The job pays only $45,569, but a tax-free daily expense allowance helps out. The powers of incumbency mean you rarely get tossed out of office. You have the job for four years,...