Some billionaires are pushing the government to raise their taxes. :
When the grand vacation homes of Newport Beach were empty on a beautiful Memorial Day weekend, Molly Munger decided it was time for the U.S. to consider taxing wealth. As her family's boat moved through the harbor a few years ago, Munger, whose father is a billionaire investor, saw that many of her neighbors' houses were sitting dark and vacant. She knew why: The owners now controlled enough money to holiday at one of their several other luxury homes. It didn't sit right, she said.