 Complete the following phrase:  The year before Vopiscus election, the consuls Lucius Furius Medullinus Fusus and Gnaeus Manlius Vulso, had blocked all attempts at agrarian reform, and no sooner had they left office than they were summoned to account for their conduct by the tribune Gnaeus Genucius. He had previously brought to trial Titus Menenius Lanatus, whose failure to intervene in the 