A  Montana  man has been sentenced to six months in prison for his involvement in a sheep cloning and breeding scheme involving a rare ovine species.   According to  USA Today , 81-year-old Arthur "Jack" Schubarth is going to prison after  cloning a rare species of sheep from Asia and implanting the embryos  in his own sheep in an attempt to create bigger hybrid sheep. The Department of Justice claims that Schubarth imported parts of a Marco Polo argali sheep, the largest sheep species in t...