Is there to be no rest for us from blasted "ageism"? Just as "Global Warming" changed to "Climate Change" so giving some poor old TV presenter the elbow is now "Social Engineering". Producers who decide to dispense with the services of anybody over 50 can expect to be accused in open court of not only the aforementioned Pol Pot-type slur, but obsession with "ethnic diversity" and attempted "rejuvenation" into the bargain. The BBC has apologised cravenly to Miriam O'Reilly, and is now honour-bound to find her a job, probably for life.  Stand back! The floodgates are about to open, and here come Dame Joan Bakewell, anna Ford, Selina Scott, arlene Phillips and a hundred breakfast television presenters cruelly cast aside, sacrificed on the altar of youth.  I'm bound to say that Ms O'Reilly looked ver