Former Massachusetts House Speaker Salvatore DiMasi has been sentenced to eight years in federal prison for using his clout to steer two state contracts to a software firm in exchange for kickbacks. U.S. District Court Judge Mark Wolf on Friday also sentenced co-defendant Richard McDonough, a prominent Statehouse lobbyist, to seven years for his role in the scheme. Prosecutors had asked for a 12½-year sentence for DiMasi, convicted in June on charges of conspiracy, extortion and honest services fraud. Defense attorneys asked for three years, citing DiMasi’s public service and strong family ties. DiMasi delivered an emotional speech in court...