 Complete the following phrase:  Piso first came to notice in late 66 BC when he prosecuted Gaius Manilius also known as Gaius Manilius Crispus, a plebeian tribune who was a supporter of Pompey. The prosecution was political; Manilius had passed laws which the optimates disapproved of. Specifically the lex Manilia which gave Pompey command of the Roman armies in the east during 