Marcus Rashford's former school teacher says he is not surprised he has gone on to take the country by storm with his charity work and campaigning.The Manchester United star Rashford is being hailed as a national hero after forcing the government into a u-turn on their plan to end free school meal vouchers during the summer holidays.He had previously also raised £20 million to pay for meals for families living below the breadline during lockdown.Simon Pyne taught the England forward at Button