Time is against Liz Truss as she bets big on plan to turn economy around

When Liz Truss flew to the US this week on her first foreign trip as prime minister, she was unequivocal about how she would achieve her mission in office: “Lower taxes lead to economic growth, there is no doubt in my mind about that.”

There was not a quiver of self-doubt in her voice as she gave a round of television interviews at the top of the Empire State Building expanding on her plans for the economy and saying she was “willing to be unpopular” to push them through.

The prime…