Muhammadu Buhari earned the nickname “Baba Go Slow” for a lackadaisical approach to reform as Nigeria’s president. He mismanaged the economy, failed to tackle corruption and has been unable to restrain the terrorist group Boko Haram. Will he be more effective in his second term? Also, why so many climbers are perishing on the slopes of Everest. And for the first time in football history, clubs from just one nation compete in Europe’s top tournaments. How England’s Premier League teams have outperformed expectations.