I suspect there must have been a contract on this.
If so, Trump will take another corporation to court and win.
This was a one day fund raiser. I expect some money was
spent in prep, planning, etc.
snip
The tournament, which is scheduled for July 14, will now be held at
Pelican Hill Golf Club in the Los Angeles area. In a statement,
ESPN noted that the event will benefit the Stuart Scott Memorial
Cancer Research Fund, a program that honors the late “SportsCenter”
anchor by “providing resources for important cancer research for
minority populations, including Hispanic and African Americans.”
http://money.cnn.com/2015/07/06/media/espn-moves-golf-tournament-trump/