title: ruby 2.0 rails gem install error "cannot load such file -- openssl"
body: <p>I am using <strong>osx 10.8.2</strong> installed <strong>ruby 2.0</strong> and....
   got this when trying to run <strong>"sudo gem install rails"</strong></p>
  
  <pre><code>$ sudo gem install rails
  ERROR:  Loading command: install (LoadError)
      cannot load such file -- openssl
  ERROR:  While executing gem ... (NoMethodError)
      undefined method `invoke_with_build_args' for nil:NilClass
  </code></pre>
  
  <p>I had ruby 1.9.x and rails 3.2.x working alright before</p>