Revelations about Michael Gove’s past cocaine use have redefined the Tory leadership contest. Despite the ongoing Brexit process, growing economic uncertainty, and the Conservative’s historic defeat in the recent European elections, the debate has been dominated by illegal drug use. Seven of the ten candidates have admitted taking cannabis, cocaine, and even opium – though frontrunner Boris Johnson has stayed conspicuously quiet in the light of past statements. Even Theresa May has faced questions about her history with drugs. The problem is not that politicians are talking about drugs, but what they are talking about. Drugs are an important issue, and any future Prime Minister should have a thought-out, evidence-based and proactive stance on drugs – including on issues like …