OUR FONDEST FAREWELL to summer is always one of our most popular series, not because everyone is happy to see the most beautiful season go, but because our readers love it so and want to give the proper send-off that it deserves. And this proper send-off is of course, One Last Longing Look at Summer. This year, rather than greens―emerald gardens and fluttery leaves―we’re focussing on blues: seaside scenes of coast and tiny boats drifting along, bright swimming pools and warm Mediterranean skies….