Judge reinstates Amber Portwood's 5-year term in stir
                                
                                
                                    (Newser) -
                                    A violent, drug-abusive star of MTV's Teen Mom reality program is about to be sent away to prison for at least two years. Amber Portwood, now 22, dropped out of a drug rehab program last month, and an Indiana judge yesterday  reinstated a five-year sentence  he imposed after she...