I had planned a day trip to Varese the last time I visited Lake Como in 2018, but with so much to see and do around the lake — not to mention the 90-minute drive it would take to get there — Charles and I never got around to it. Fast forward a year later, I made Varese a top priority on my solo trip to Northern Italy. Varese is a genteel city of 80,000 in a province that shares…