Bill Gates doesn't think Elizabeth Warren's tax plan will work.
He's the most recent billionaire to voice concerns about the Democratic presidential hopeful's tax plan for the extra affluent.
The Microsoft founder said it would hinder the growth of business innovation in the USA.
According to Forbes magazine, Gates is the second-richest person in the world.

UAE to develop a defence industrial free zone in Abu Dhabi
Apple settles lawsuit over late Siri AI features for $250 million
UAE plans to establish global defence manufacturing hub
UAE signs contract to purchase C-390 Millennium aircraft for air force
'Make it in the Emirates' sees strong local, international turnout
