One of the main sticking points for Anheuser-Busch InBev in the U.S. authorities' antitrust review of MegaBrew has been their branches or WODs here in the states. Now, Anheuser-Busch InBev may have an additional hurdle: its incentive program. ABI's VAIP program has reportedly come under scrutiny from U.S. antitrust officials, per two anonymous Reuters sources.