In the aftermath of the presidential election, Fox News reported that Sarah Palin did not know Africa was a continent, attributing the news to an unnamed advisor in the McCain campaign. Other news outlets wanted to know who that was. Martin Eisenstadt came forward, as reported by MSNBC. But Eisenstadt doesn't really exist, except as a virtual character on the Internet. At least that's what we're told by Eitan Gorlin, a filmmaker who invented him.