He must have got the foundation idea from Hillary during pillow talk.
Foundation = Piggy Bank
Just another "pay-to play" enterprise.
Source : http://dailycaller.com/2017/06/19/exclusive-soros-clinton-linked-teneo-among-donors-to-mccain-institute/
" Arizona Republican Sen. John McCain in 2012 turned over nearly $9 million in unspent funds from his failed 2008 presidential campaign to a new foundation bearing his name, the McCain Institute for International Leadership.
The institute is intended to serve as a “legacy” for McCain and “is dedicated to advancing human rights, dignity, democracy and freedom.”
It is a tax-exempt non-profit foundation with assets valued at $8.1 million and associated with Arizona State University.
Conservative and liberal critics, however, believe the institute constitutes a major conflict of interest for McCain, The Daily Caller News Foundation’s Investigative Group has learned. "