House Speaker Nick Mattiello says a bill could be coming in the near future that raises the minimum wage for tipped workers.  Mattiello's comments came before Governor Gina Raimondo signed a bill increasing the state minimum wage for the fourth straight year.  He says the sub-minimum wage paid to workers who earn most of their money from tips should be their next target.  That rate is currently two-dollars and 89-cents an hour, and a proposal on the table would raise it to four-dollars and 50-cents in January.