IIRC, if you already have a visa, you can appeal to an immigration judge at the port of entry. If you don't already have a visa (because it's granted at the bo

IIRC, if you already have a visa, you can appeal to an immigration judge at the port of entry. If you don't already have a visa (because it's granted at the border, you're entering via the visa waiver program, etc) there is no right of appeal, and the border officer has the final say.