I'm still a citizen of Japan and only a permanent resident of the USA, but suppose Washington enacts something like this or worse for Iran:
<blockquote> <http://travel.state.gov/travel/cis_pa_tw/cis/cis_1097.html> ENTRY/EXIT REQUIREMENTS/TRAVEL TRANSACTION LIMITATIONS: The Cuban Assets Control Regulations are enforced by the U.S. Treasury Department and affect all U.S. citizens and permanent residents wherever they are located, all people and organizations physically in the United States, and all branches and subsidiaries of U.S. organizations throughout the world. The Regulations require that persons subject to U.S. jurisdiction be licensed to engage in any travel-related transactions related to travel to, from, and within Cuba. Transactions related to tourist travel are not licensable. This restriction includes tourist travel to Cuba from or through a third country such as Mexico or Canada. U.S. law enforcement authorities have increased enforcement of these regulations at U.S. airports and pre-clearance facilities in third countries. Travelers who fail to comply with Department of Treasury regulations will face civil penalties and criminal prosecution upon return to the United States.
Licenses are granted to the following categories of travelers and they are permitted to spend money for Cuban travel and to engage in other transactions directly incident to the purpose of their travel under a general license, without the need to obtain special permission from the U.S. Treasury Department's Office of Foreign Assets Control (OFAC): </blockquote>
That would be a bummer! -- Yoshie <http://montages.blogspot.com/> <http://mrzine.org> <http://monthlyreview.org/>