Who is James Simons and why is the IRS after him ?

Who Is James Simmons Still

Bloomberg News' Zachary Mider examines the IRS' case against billionaire James Simons.

Simons is a mathematics whiz who brought his abilities in defense work to investing and is accused of skirting hundreds of millions in taxes for himself and investors.

Zachary speaks on Bloomberg Television's In The Loop.

Source: Bloomberg