In the sense that you're not at the centre of power like a president or prime minister of a major power everyone is marginalised my position doesn't isn't unique in that respect. I think there are different sorts of relevance in different contexts.
At a time when we are facing threats from nations such as North Korea and Iran and attempting to convince others such as India and Pakistan to become responsible nuclear powers it is vital that America reclaims the leadership we once had on arms control.