Supporters of billionaire tax submit signatures to place measure on California's ballot - NBC News

1. Supporters of billionaire tax submit signatures to place measure on California's ballot  NBC News
2. California Billionaire Tax Has Signatures Needed for Ballot, Backers Say  The New York Times
3. Opinion | The California Wealth Tax Advances  WSJ
4. California billionaire tax proposal garners enough signatures to head to ballot  The Guardian
5. California Billionaires Tax Scores Enough Signatures For Ballot, Organizers Say  Forbes