He cited this as among his reasons to retract his endorsement of the candidate. Commissions often resemble endorsement or sponsorship. Mustaine denied that his statement was intended as an endorsement of Santorum. There was controversy that emerged regarding "The Globe and Mail'"s election endorsement. Clinton accepted the endorsement in person. Another contributing factor was Griffith-Joyner's unhappiness with the lack of sponsorship and endorsement opportunities. Abrams spent much of the remainder of the campaign trying to get Ferraro's endorsement. The acts of the President of the Republic that lack ministerial endorsement are null. As a non-resident, Gretzky came under some criticism for this endorsement. The ad marked the first highly successful celebrity endorsement in Super Bowl advertising. Wirt hoped for an endorsement from the National Republicans. Negotiation requires a valid "endorsement" of the negotiable instrument. Oliver Wyman faced criticism for their earlier endorsement. Jun's growing popularity resulted in many companies requesting her endorsement. Corzine had donated to Jackson prior to getting what appears to be a reciprocal endorsement.