Gov Gavin Newsom conspicuously sidestepped a question about his former colleague Xavier Becerra— a longtime California Democrat who’s now the frontrunner to succeed him. Newsom was tight-lipped when asked about the gubernatorial favorite, who’s rapidly racked up endorsements and support in recent weeks — including from Newsom allies — despite r eservations about his record in former President Joe Biden’s administration. “I’m focused on diapers,” Newsom said in response to the The Post’s question about Becerra, a longtime Democrat who was California attorney general for the first two years of Newsom’s term. Youtube/California Governor Gavin Newsom Fellow government officials and hospital executives, including San Francisco Mayor Daniel Lurie, California Health and Human Services Secretary Kim Johnson, and Sutter Health reps, broke into thunderous applause as he dodged the question.…