Channel 4 chief executive Alex Mahon has said the UK media industry must avoid becoming an “American news swamp” where young people get their news from unregulated platforms such as social media.

Americans seem to be getting more optimistic about the direction of the country.

One of the inauguration’s most enduring images is that of tech billionaires — including Google’s Sundar Pichai, Meta’s Mark Zuckerberg, Amazon’s Jeff Bezos and Tesla’s Elon Musk — arrayed obediently ...