Economy Minister Giancarlo Giorgetti on Thursday warned people to be wary about the many proposals doing the rounds about super profitable Italian banks making a bigger contribution to the national finances through higher taxes.     "There are many proposals circulating, be wary of imitations," Giorgetti responded to reporters who asked him if there was a target for the contribution that will be requested from the banks.     "There are all sorts of proposals out there, I read all sorts of