Rishi Sunak is facing his first test at the ballot box this year as voters head to the polls for the West Lancashire by-election. The outcome could reflect how the public feels about the prime minister and Opposition leader Sir Keir Starmer ahead of the next general election and local elections in May. The seat is up for grabs after veteran Labour MP Rosie Cooper resigned in November to become chairwoman of the Mersey Care NHS Foundation Trust. The MP was the victim of a plot to kill her by an alleged member of the banned neo-Nazi group National Action...