Keir Starmer set to work as Britain’s new leader Friday, speaking with other world leaders and appointing his ministerial team after his Labour party’s landslide general election victory ended 14 years of Conservative rule. Starmer named Rachel Reeves the UK’s first woman Chancellor of the Exchequer – equivalent to a finance minister – and appointedDavid Lammy as foreign secretary following his election win to become centre-left Labour’s first prime minister since Gordon Brown in 2010. Flag-waving crowds of cheering Labour activists lined Downing Street as Starmer pledged to “rebuild” the UK a…