him#3: I am sorry sir, but we can not allow you to enter the US.
me: ?!?! Why is that?
him#3: You tried to enter on your Belgian passport, but this one is not valid to enter the US.
me: Why not? I was in New York two weeks ago. I fly to the US three-four times a year. I always use my Belgian passport.
him#3: Sorry, but the rules changed. As of last week, Belgian passports have to be machine readable.
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