Japanese figure skater Kaori Sakamato expressed confidence in her bid for a fourth straight women's singles title at the upcoming world championships following her arrival in host city Boston on Sunday.The 24-year-old is aiming to become the fifth woman in history to be crowned four times in a row at the championships beginning Wednesday at TD Garden."It feels like the time has finally arrived," Sakamoto said. "I want to take my shot at a fourth consecutive title confidently."Despite the long journey to the East Coast of the United States, Sakamato appeared energetic and said she felt in to…READ FULL ARTICLE