Are there some fundamental ideas in Stoicism that, if we let go of them, we are not doing Stoicism anymore? — A few days ago my friend and co-author Greg Lopez and I co-hosted the 7th edition of Stoic Camp New York, inspired by the original Stoic Camp that another friend and colleague, Rob Colter, has facilitated for several years in Wyoming. It was an unusual edition of Stoic Camp, not…