title: require 'rubygems' not working
body: <p>when I type <code>irb> require 'rubygems'</code> it returns false. I have many gems in my rails app that are obviously working - rake, activerecord, etc. What could be going wrong here? thanks.</p>
  
  <p>Ruby 1.8.6.
  Rails 1.2.6</p>