When I saw the other day that Liz Truss, the worst prime minister in the history of this or any other planet, organises the books on her bookshelves by colour, a sinking feeling hit me. I colour-code ...

When 29-year-old Chandigarh resident Vishali Kanojia steps outside her house, she lets the first colour she sees guide her walk. Today, it’s green—a bunch of leaves, a child’s hat, a wildflower by the ...