Levi Johnston Says Tweets Shatner Read on 'Tonight Show' Penned by Imposter

TMZ: Yesterday [on the ‘Tonight Show’], William Shatner read what was represented as posts from Levi’s Twitter account, making him look like a racially insensitive pothead — but as we first reported, Levi’s reps say the famous Palin-impaler doesn’t even have a Twitter account … or a Facebook, or a Myspace.