The tinkle of ice. The scent of fresh-cut lime. The bittersweet effervescence of tonic water. The soft, junipery astringency of gin. Mixed together, these four ingredients are heaven enough, no? But what would you say if we subbed out or added in one more element? Something with a botanical twist? Well, this week, I did just that: I mixed a Gin and Tonic four new ways.