A wave of bad news batters Olympics past, present and future (Yahoo Sports)

The past few days have unleashed a wave of grim news for the Olympics, battering four host cities – past, present and future – on three continents, and further eroding public trust in the credibility of the global sports movement. The 2014 Winter Games in Sochi, the upcoming Olympics in Rio de Janeiro, the 2018 Winter Games in Pyeongchang, South Korea, and the 2020 Summer Olympics in Tokyo – all have been caught up in an unprecedented meltdown of trouble.