exploding e-cigarette killed florida man, coroner says .
in the past, the uk established voluntary car-free zones, but it may have to legally enforce the boundaries through to comply with eu law. .
u.s. first lady melania trump has been in the hospital for four days, with no word on exactly when she will be released. .
there was a psychological toll, too. olczyk felt he was letting down his family and friends, letting down nbc and letting down the blackhawks, for whom he regularly broadcasts games. .