As the Occupy Wall Street protests enter their fourth week, a number of media commentators have made the inevitable  comparison  to the Tea Party movement that has galvanized conservative politics for the last two years. But are the two movements really that similar, or is the comparison simply a convenient media narrative? Tea Party Express Chairman Amy Kremer  has been quoted dismissing the movement as “a kid having a temper tantrum because their parents won’t buy them the whole ice-cream store.”