Commentary I am writing this on April Fool’s Day. That may be the perfect day to try to explain how impossible, and indeed foolish, the newest Joe Biden tax proposal is. President Biden is proposing a tax on wealth appreciation for people above a certain level of wealth. In that group, if you have a house and the value goes up, you would pay a tax on the appreciation. If you had stock, you would pay tax on the increase. If you owned a privately held company that had a good year, you would pay a tax on the increase. If you had a farm, and the value of the land and equipment and buildings appreciated, you would pay a tax. Of course, the first question you have to ask about this new tax is: Why you think it would remain restricted to a small group of wealthy people? Government …