Racial slurs and hate messages aimed at president Barack Obama turned up this morning on a dock at a Saint Paul lake.A local resident noticed the graffiti during his morning walk around como lake.One message read, quote, "Kill Obama" and another said "no" and then the n-word.Nathan Edmundson contacted the city and told them to remove the graffiti by tomorrow or he will do it himself.By noon the city already covered up the graffiti but it has yet to be removed.