text:  This is Weekend Edition from NPR News. I'm Scott Simon. Written as new prime minister, Sir Keir Starmer, his Labour Party won a landslide election victory while the Conservative Party, which had held power for 14 years, suffered its worst ever defeat. And outside 10 Downing Street, Prime Minister Rishi Sunak offered an apology. To the country, I would like to say first and foremost, I am sorry. I have given this job my all.