SINGAPORE — They encountered blackouts and murky tap water in their hotel rooms and were hit by pests and illness, but Singapore’s badminton couple Terry Hee and Jessica Tan stayed focused to clinch their second title of the season. On Dec 10, the world No. 26s beat Denmark’s 35th-ranked Mads Vestergaard and Christine Busch 21-19, 21-11 in the final of...