IN LIGHTER VEIN BY M.S. GILL For The Tribune | February 25, 1986 If you are up at Cambridge you want to go somewhere for the vacation. The place is closed for six months in the year to allow people to study. Terms are meant for more serious pastimes! A friend says we have holidays between holidays but I think it is not true. Another possible reason for the vacation is the avarice of the college bursars. They want to make more money. And so the students are cleared at the end