SOUTH KINGSTOWN, R.I. — Looking to set the tone — again — for the general election campaign after a TV-ad gaffe, Gov. Gina Raimondo Monday visited a mushroom farm cultivated with state economic assistance and warned that such business growth would not be possible if Cranston Mayor Allan Fung takes her job.Surrounded by spores and fungi at the Rhode Island Mushroom Co.'s West Kingston grow house, Raimondo looked to shift attention on her frequently attacked [...]