The Guardian – As MPs debate the impact of fixed-odds betting machines, we look at the data to find out which forms of gambling are the most popular in which parts of the country – and what has changed. Labour is to press the coalition on their gambling policy on Wednesday during an opposition day debate. Ed Miliband has said Labour would give councils the power to ban high-stakes roulette machines from bookmakers’ shops, and the party wants the government to adopt similar plans. The gambling industry has been accused of focusing these roulette machines (known as fixed-odds betting terminals, or…