Last week, Bertie found himself in Delhi meeting bureaucrats, journalists and politicians of all stripes. In the formal sessions, political correctness reigned, but Bertie has been doing policy trips long enough to know that the real juice starts flowing only during the cocktail hour. Unsurprisingly, President Trump's Liberation Day tariffs and how soon India could do a trade deal were the centrepiece of discussions. Bertie was told in hushed tones that the American trade negotiators were staying in the same hotel as the policy tour participants, as if physical proximity to them would also mean a faster flow of information….