As the British government did a humiliating U-turn over an A-level exam grade fiasco and the country fell into its worse recession on record, Prime Minister Boris Johnson came under fire for taking a holiday.Using the hashtag “wheresBoris”, a play on the popular children’s book Where’s Wally?, Johnson’s critics took to Twitter to report the UK leader missing in action, leaving Education Secretary Gavin Williamson to take the heat.With exams cancelled due to coronavirus pandemic, the UK…