The Week in Review, by Bill Finley After last year's GI Breeders' Cup Classic, it seemed that every horse that mattered had been retired and that 2021 was going to be a bleak year for the handicap ranks. But 23 days into the year, it is apparent that's not going to be the case. First, Charlatan (Speightstown) turned in a sizzling performance in his comeback race in the GI Runhappy Malibu S. and, exactly four weeks, later Knicks Go (Paynter) could not have won the GI Pegasus World Cup Invitational...