Britain is considering changing the law to stop a foreign state owning a news organisation, government sources said on Tuesday, as it weighs up whether to allow Abu-Dhabi-backed Redbird IMI to buy the Telegraph newspaper. The bid for the politically influential Telegraph has raised questions about the independence of the media and the role of foreign investors acquiring assets that could undermine press freedom. Around 100 lawmakers, from all parties, have signed a letter opposing the takeover of the right-leaning newspaper and the Spectator political magazine by Redbird IMI, citing concerns a…