If aliens ever land on Earth there will no longer be any confusion over who will greet them with the news, the United Nations is set to appoint an astrophysicist to be their first human contact.
http://www.dailymail.co.uk/sciencete...ing-Earth.html
http://news.nationalpost.com/2010/09...t-with-aliens/
Watch for much more to come of this, and realize that it doesn't matter if aliens (the space type) exist or don't exist and if they have the means to travel to our planet or not and if they are even interested in us, all that matters is: Can the public be persuaded to perceive this (space aliens) as a credible threat?