More than 100 American cities could go bust next year as the debt crisis that has taken down banks and countries threatens next to spark a municipal meltdown, a leading analyst has warned. Meredith Whitney, the US research analyst who correctly predicted the global credit crunch, described local and state debt as the biggest problem facing the US economy, and one that could derail its recovery. Next to housing this is the single most important issue in the US and certainly the biggest threat to the US economy," Whitney [said]. "There's not a doubt on my mind that you will see a spate of municipal bond defaults. You can see fifty to a hundred sizeable defaults - more. This will amount to hundreds of billions of dollars' worth of defaults." American cities and states have debts in total of as much as $2tn. US states have spent nearly half a trillion dollars more than they have collected in taxes, and face a $1tn hole in their pension funds, said the CBS programme, apocalyptically titled The Day of Reckoning.