A new poll gives Providence Mayor Angel Taveras the highest approval rating among the likely candidates for governor. According to a survey by channel 12 and the Journal, 57-percent of 506 registered voters polled say he's doing an excellent or good job as mayor. Another Democrat, state Treasurer Gina Raimondo has a 51-percent approval rating and Republican Cranston Mayor Alan Fung gets a 47-percent approval rating. According to the poll, Republican Ken Block and Democrat Clay Pell, are largely unknown to voters.