joining me is dave rosenberg from rosenberg research. we don't talk to you about munis that much.o take a different tack here although they'll ask you about rates more broadly how attractive are they for investors? >> well, i think that the premise of the report i published was a relative value trade because nothing is trading at any of these levels, including the stock market that, if interest rates, i'm talking about in the treasury market, were as low as they are right now. we went through all the different parts of what's called scrap products high yield and investment grade corporates, asset backs, mortgage backs, credit cards, the whole gamut. and we found that in the muni space, it's actually the only part of the nontreasury segment of the bond market that's trading at interest rate spreads off the government bond market that's higher than they've been in the past. so it was really more a relative value trade that they are basically trading off treasuries much more attractively than all their competitors in the credit space. >> is there concern? right now it seems like, if