<p>Co-owner of Manchester United says Britain is in decline because of high taxes and immigration</p><p>The co-owner of Manchester United Sir Jim Ratcliffe has described the UK as being a country “on the slide” from the days when it had “the greatest empire in the world”.</p><p>Ratcliffe, who founded petrochemicals giant Ineos, and has resided in Monaco, which has a relaxed tax regime, since 2020, said Britain is in decline because of high taxes and immigration.</p> <a href="https://www.theguard