Why would we scrap £9,000-a-year tuition fees when we know they work? | Jo Johnson

What critics fail, or refuse, to understand is that our charges actually improve access to higher education by allowing universities to offer more places• Jo Johnson is minister of state for universities and scienceLast weekend my colleague Damian Green gave a characteristically thought-provoking speech about how the government should address the needs of younger voters. In answer to a question about tuition fees, he suggested a national debate, in which we could calmly examine the argument