Eric Holder, former attorney general for President Obama, predicts that special counsel Robert Mueller already has an obstruction of justice case against President Trump and that he is stalling so he can make it as juicy as he can and bring it before a grand jury."Well I think that you technically have an obstruction of justice case that already exists," Holder said on "Real Time with Bill Maher" Friday. "I've known Bob Mueller for 20, 30 years. My guess is, he's just trying to make the case as good as he possibly can."The Mueller investigation has produced several indictments so...