don't render page-viewer twice; last_post should actually get the last post posted, not the first one

app/controllers/people_controller.rb

@@ -110,7 +110,7 @@ class PeopleController < ApplicationController
 
   def last_post
     @person = Person.find_from_guid_or_username(params)
-    last_post = Post.visible_from_author(@person, current_user).last
+    last_post = Post.visible_from_author(@person, current_user).order('posts.created_at DESC').first
     redirect_to post_path(last_post)
   end
 

public/javascripts/app/router.js

@@ -36,11 +36,10 @@ app.Router = Backbone.Router.extend({
     app.page = new app.views.Photos({model : app.photos}).render();
 
     $("#main_stream").html(app.page.el);
-  },   
+  },
 
   singlePost : function(id) {
-
-    var page = new app.pages.PostViewer({ id: id }).render();
+    var page = new app.pages.PostViewer({ id: id });
     $("#container").html(page.el);
    }
 });

spec/controllers/people_controller_spec.rb

@@ -84,7 +84,7 @@ describe PeopleController do
           get :index, :q => "Eug"
           assigns[:people].map { |x| x.id }.should =~ [@eugene.id, eugene2.id]
         end
-        
+
         it "succeeds if there is exactly one match" do
           get :index, :q => "Korth"
           assigns[:people].length.should == 1