You must live in a fantasy world. I guess using your logic, China and the forces of militant Islamic fundamentalism pose no threat at all either since they are so far away.
You may not have noticed, but our government is spying on us. Reading every email. Recording every phone call. Paying spies and activists to post disinformation online to “adjust” public opinion.
Sending the IRS after Tea Party members. Sending the EPA to raid guitar factories. Sending Homeland Security to confiscate Land overs. Pitting the Department of the Interior against our ranchers.
A radical could make a case that a nuke exploding in DC would improve U.S. civil rights nationwide.
How exactly is Vladmir Putin threatening your liberty or your constitution?