Vernon Kay has jumped to the defence of his BBC colleague after he used what some deemed an "offensive" term to refer to older people. Radio 2's lunchtime presenter Jeremy Vine appeared on Vernon's show near the close of his programme yesterday (June 18) to preview the news topics lined up for discussion. Among the stories was that of retired British pair Jane and Alan Kelvey , who were sailing a yacht in the English Channel this week when a Russian warship allegedly fired warning shots in