Rails - Feb 2010 - Browsing nested models

Hi all,

Beginner''s question here: I''ve wondered, why I can''t
browse through
"nested" models (belongs_to/has_many).

My models: (http://gist.github.com/291956)

class Enterprise < ActiveRecord::Base
    has_many :branches
    has_many :people, :through => :branches
end

class Branch < ActiveRecord::Base
    has_many :people
    belongs_to :enterprise
end

class Person < ActiveRecord::Base
  belongs_to :branch, :include => :enterprise
end

And finally viewing people: (http://gist.github.com/291953)

<h1>Listing people</h1>

<table>

<% @enterprises.each do |ent| %>

	<tr>
	    <th colspan="8"><%= ent.name %></th>
	</tr>

	<% ent.branches.each do |branch| %>
	  	<tr>
		    <th colspan="8"><%= branch.name %> (<%=
branch.people.count %>)</
th>
		</tr>
		<tr>
	    <th>First name</th>
	    <th>Last name</th>
	    <th>Sex</th>
	    <th>Age</th>
	    <th>Email</th>
	  	</tr>

		<% branch.people.each do |person| %>
		<tr>
		    <td><%=h person.first_name %></td>
		    <td><%=h person.last_name %></td>
		    <td><%=h person.sex %></td>
		    <td><%=h person.age %></td>
		    <td><%=h person.email %></td>
		    <td><%= link_to ''Show'', person %></td>
		    <td><%= link_to ''Edit'',
edit_person_path(person) %></td>
		    <td><%= link_to ''Destroy'', person, :confirm
=> ''Are you
sure?'', :method => :delete %></td>
		  </tr>
		<% end %>

	<% end %>
<% end %>
</table>
<br />

<%= link_to ''New person'', new_person_path %>

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