Rishi Sunak on Friday apologised to the public after his Conservatives were trounced by Labour in the UK general election, and said he would step down as party leader. The 44-year-old former financier gambled on going to the country six months before he had to, hoping that better economic data would swing public support back towards the Tories. But Thursday’s vote indicated that Britons wanted to send a clear message to the party by kicking them out of power after 14 years of economic hardships, Brexit upheaval and Tory infighting. “To the country, I would like to say first and foremost, I am …