SINGAPORE — As an Alstom Movia R151 train rolled into Tuas Link station, its operator sounded a horn, eliciting cheers from more than 100 people gathered to welcome it into service. "Open, open, open," they chanted at about 7.10am on Sunday (June 4) as the first of 106 seventh-generation trains to be launched on the North-South and East-West lines (NSEWL)...