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