The European Council has a new, old problem: populist Janez Janša is back as prime minister, driving Slovenia further to the right and potentially becoming a new headache for Brussels.

Slovenia’s parliament has approved the new government of Prime Minister Janez Jansa, marking a shift to the right for the small European Union country.

LJUBLJANA, June 4 (Reuters) - Slovenia's parliament on Thursday approved Prime Minister Janez Jansa's centre-right government, which has pledged tax cuts, targeted spending and an…