This week's two by-elections had something for everyone - except Rishi Sunak's Conservatives. Sir Keir Starmer's Labour Party has now broken into the record books with six by-election gains from the Conservatives, beating New Labour's performance in the run-up to the 1997 Election. Reform UK got more than 10% of the votes in both constituencies. The Liberal Democrats lost two deposits, with less than 5% of votes cast each time. But even they have something to celebrate, according to one polling analyst. Peter Kellner argues that their four by-election victories over the Tories since 2019 show that they are much...