A taxi driver writes. . . In the Woman's Own letters page, a taxi driver (name and address supplied) is unimpressed by claims of student poverty. "I see how they spend their grants. . . As soon as they get them, they're out boozing. Then they get a taxi home and can't even divide Pounds 2.60 into four to carve up the bill at the end of a ride. It makes me wonder what we're educating them for."