LONDON (Reuters) – Britain is proposing a new law that will require social media companies to proactively tackle disinformation posted by foreign states such as Russia, the government said on Monday. The law would tackle fake accounts on platforms such as Meta’s Facebook and Twitter that were set up on behalf of foreign states to influence elections or court proceedings, the government said. The law is likely to be passed during this parliamentary session through an amendment to link the National Security Bill and Online Safety Bill, both of which are in the government’s current programme. Com…