In order to explain why tax reform is needed, Sanders gave an almost word-for-word recitation of a viral email forward that has been circulating since at least 2011. "Suppose that every day, 10 people -- for our purposes, we'll say 'reporters' -- go out for beer, and the bill for all 10 comes to $100," she began. "If these 10 reporters paid their tab every night the way we pay our taxes, it would go something like this: The first four, the poorest, would pay nothing. The fifth would pay $1. The sixth would pay $3. The seventh would pay $7. The eighth would pay ... "

Sanders quickly lost everyone...