Berkshire Hathaway, the company run by Warren Buffett and one of Tesco's biggest shareholders, has raised doubts over whether Britain's biggest...

Piers Fawkes Piers Fawkes on May 3, 2011. @piers_fawkes

Berkshire Hathaway, the company run by Warren Buffett and one of Tesco’s biggest shareholders, has raised doubts over whether Britain’s biggest retailer can be a success in the US. Telegraph