The Mercedes/AMG E53 wagon and Jaguar XF Sportbrake are modern, sporty wagons that some people miss.Station wagons were uncool and unpopular in the '80s and '90s, but there have been a few fun wagons in the past 25 years.The question is whether the world needs more modern, sporty wagons as an alternative to the popular crossover vehicles.Readers are invited to share their opinion on whether there is a need for more wagons.