Bringing Boris Johnson back to Earth about Brexit

Readers respond after Johnson compared Brexit to the mission to put astronauts on the moon in 1969. Boris Johnson compares the sorting out of the Irish border issue under a no-deal Brexit with the Apollo moon landing ( Report, theguardian.com, 22 July). Well, the moon landing took nearly 10 years to plan, was built on previous achievements and technologies, required about 400,000 people working together for one clear aim and cost America billions of dollars in the 1960s. People sadly died in the