LinkedIn cofounder will pay $5 million for Donald Trump's tax returns

LinkedIn cofounder Reid Hoffman is the latest Silicon Valley mogul to put some of his personal fortune on the line this election season with a promise to donate $5 million to veteran affairs groups if Donald Trump agrees to release his personal tax returns.
SEE ALSO: Trump’s cozy relationship with Breitbart gets even cozier with big hire
Hoffman is taking his cue from a crowdfunding campaign launched by U.S. Marine veteran Pete Kiernan, who is hoping to raise $1 million for the same purpos