Serge Pizzorno, Kasabian frontman, chose (wisely) not to watch the World Cup final half-time show.I’m catching up with the singer/songwriter/festival-anthem-conductor the morning after the big game and its midway/mid-tier entertainment — a rather underwhelming schmaltzfest featuring Shakira, Madonna, Justin Bieber and Coldplay, among overpaid others.“Football won in the end,” jokes Pizzorno, who is at his home in Leicester, working out how track…