The latest poll numbers are looking grim for Prime Minister Justin Trudeau and the Liberals. According to an Abacus poll in February, the Trudeau-led Liberals are polling at 24 per cent and the PM himself is deeply unpopular among voters of all ages. More than a year out from the next election, is the incumbent government already doomed?John Ibbitson, The Globe’s Writer-At-Large, explains the factors that have led to the Liberals’ steep decline and whether this is simply the end of a political cycle – as a new one could soon begin.Questions? Comments? Ideas? Email us at thedecibel@globeandmail.com