It is documented<quoted text>
That's y'all's problem, if it sounds good enough to you that it SHOULD be the truth you run with it regardless of its authenticity.
In most circles its known as "lying".
Open Society Foundation is Soros' group.
The 990 forms for Open Society Foundation
These filings show donations to
The Foundation for National Progress. This organization found Media Consortium which has also received money from Open Society Foundation. Media Consortium funnels funds to Foundation for National Progress to assist in funding projects.
Foundation for National Progress exists to publish and support "Mother Jones"
So yes Soros helps fund Mother Jones