Their activist group is on Gov. Scott Walker's side
                                
                                
                                    (Newser) -
                                    The billionaire Koch brothers are said to have a hand in  the Tea Party , the  new Congress  … why not the Wisconsin protests, too? Americans for Prosperity, a Koch-created and Koch-financed nonprofit, has a definite presence at the demonstrations, with the group’s president recently telling anti-union counterprotesters that the...