Japan's Mao Shimada won her fourth straight figure skating junior world championships on Saturday, becoming the first skater to achieve the feat across all the disciplines at the tournament.The 17-year-old was top after the short program on Thursday in Tallinn before suffering a fever, but her total of 208.91 points was enough to defend her title.She was second in Saturday's free skate on 137.01 after opting not to go for a quadruple jump but still landed a triple axel."I faced some real problems before getting here, so I'm really happy to win. This is my last competition at a junior level,…READ FULL ARTICLE