As France sweltered under one of the worst heatwaves ever recorded this week, city dwellers scrambled for any escape they could find, with many checking into hotels to benefit from air conditioning and access to pools.Temperatures in Paris hit a June record of 40.9 degrees Celsius on Wednesday, a day after France recorded its hottest day since records began nearly 80 years ago.But few private flats in the country have air conditioning, particularly those in the densely populated capital....