In today’s newsletter: With the Reform leader now a serious contender for PM, we look at the impact the allegations about his behaviour as a schoolboy could have on Britain • Don’t get First Edition delivered to your inbox? Sign up here Good morning. For more than 30 years, Nigel Farage has been one of the most disruptive figures in British politics, known for building a brand on outrage and polarisation. He presents himself as the everyman, cigarette hanging out of his mouth or a pint in hand. Now that several polls suggest he is a serious contender to…