Billionaires tax faces constitutional, political hurdles
By Jonathan Allen
Democrats Rush to Rewrite U.S. Tax Code in Days
By Alan Rappeport & Jim Tankersley
Democrats' Proposed Tax on Unrealized Capital Gains Likely Unconstitutional
By Giancarlo Canaparo
Is the Billionaire Tax Legal?
By Michael J. de la Merced, Jason Karaian & Lauren Hirsch
Democrats' billionaire tax would heavily target 10 wealthiest Americans, but alternative plan is emerging
By Andrew Van Dam, Tony Romm & Jeff Stein