4 Xavier Becerra refuses to answer questions after a Sacramento presser. Titus Wu/CA Post4 Xavier Becerra speaks at a press conference working to protect voting rights. 4 Democratic gubernatorial frontrunner Xavier Becerra talks with media in June. 4 A Becerra aide said the candidate was too busy to answer questions. Becerra had told Congress that his agency’s legal authority over unaccompanied migrant children ends once they are placed with an approved sponsor unless Congress granted him that authority.