The US will do ` ` what we must '' to keep the strait open , official position . Iran says it will do what it sees fit for its people . Physically closing the strait would require means that likely are not available to Iran , said Professor Jean-Paul Rodrigue of Hofstra University . Europe wants tougher sanctions on Iran over its nuclear program .
The US will do ` ` what we must '' to keep the strait open , official position . Iran says it will do what it sees fit for its people . Europe wants tougher sanctions on Iran over its nuclear program .