Appealing a case denied by U.S. Citizenship and Immigration Services can be quite expensive. If a visa is denied, reopening, reconsidering, or appealing costs $630 – often as much or more than the fee for the underlying benefit denied. The denial of a naturalization application is appealable with a fee of $650.  The total fee for an application to naturalize is $680. When I think of appealing, my first instinct is to think that there is an ambiguity in the…