Is 2020 the wrong year to tell my son the terrible truth about Santa? — As a four-year-old boy, Michael Leviton had no interest in Santa Claus. That was partly because he was Jewish. But it was also due to his parents’ belief in total and uncompromising honesty, Leviton writes in his memoir, “To Be Honest” (Abrams Press), out January 5. Raising him in Los…