Cynthia Boaz has much of what Jesus said and meant correct here. However, she doesn't understand Jesus's position on taxes. Jesus said the children of God are to be free of taxes. In addition, Cynthia hasn't been exposed enough to the anti-coercive aspect of Jesus's message. Coercive democracy is not consistent with Jesus's teachings. The religion of Christianity is strictly voluntary to enter. Once in, there are rules of course.
As for socialism, he was a communist (albeit, she's right that he was not a Marxist or Stalinist, etc.).