By Christian May Labour MPs barely had time to gather for a group photo in Westminster before the summer recess started and they were packed off back to the constituencies. The lucky ones may even have made it abroad for a holiday. Today, when they file back into the Parliament and cram themselves onto the government benches in the House of Commons, we’ll be reminded of the scale of thatJuly election victory. Sir Keir Starmer’s majority is enormous. What’s more, his opponents are weakened and divided. The SNP will be even less of an irritant than it used to be while the Conservatives are painf…