A bus union leader is saying that she is “triggered” whenever she thinks about private buses that are becoming popular in San Francisco. Leap, one such company, is gaining popularity in the city for their luxury buses and comfortable seating. Not all people are happy with such start-up businesses. The San Francisco Transit Riders Union, for example, is upset at companies like Leap. SFTRU for short, the union describes itself as “A rider-based, grassroots organization working to improve transit in San Francisco.” Ilyse Magy, a representative for the union, said that not only are private buses classist, but they are...