LINDA MICHAELS, M.A., DEL MAR DOG TRAINER SPECIAL TO THE U-T If you bounce back and forth between a sugary-sweet, sing-songy, “Come Blinky” and a frustrated, commanding, “Blinky, Come!” — try these recall tips instead. Make recall fun and rewarding, one baby-step at a time. Always reward for “coming”:   Linda Michaels, “Dog Psychologist” M.A.…