##

my @states = (
       {
         state => "Alaska",
         people => [ { person => "Joe Blow" },
                     { person => "Peter TorkM" } ]
       },
       {
         state => "California",
         people => [ { person => "Lily White },
                     { person => "Erik Svendater" } ]
       },
       ...
);

$tmpl->param( states => \@states );