Google should face court sanctions over “intentional and repeated destruction” of company chat logs that the US government expected to use in its antitrust case targeting Google’s search business, the Justice Department said Thursday. Through a setting in its chat software, Google employees can save chat history for up to 18 months — but only if the setting is manually enabled, the US government said in its filing, adding that Google routinely trained and encouraged employees to discuss sensitive topics over chat messages they knew would be auto-deleted the next day. Last year, in the same case, the agency asked the court to sanction Google for a program known as “Communicate with Care,” in which the company allegedly trained employees to copy lawyers on emails as a way to claim attorney-client privilege on communications that were business sensitive but did not seek legal advice and did not merit confidentiality