It's extremely difficult to vote from outside the US, anyway, because you cannot vote in a "nationwide" sense -- you must vote as a citizen of a state. Which,

It's extremely difficult to vote from outside the US, anyway, because you cannot vote in a "nationwide" sense -- you must vote as a citizen of a state. Which, since you don't live in the US and ergo don't live in a state, is tricky. Typically you can vote in your state of last residence, however... ...voting in your state of last residence can cause you to be liable for income taxes to the state. Land of the free, says I.