In recent years, ethno-nationalist movements have had an apparent resurgence. What can we do to counter the hateful ideologies that have led to so much harm? Arno Michaelis, an ex-neo-Nazi, and Pardeep Singh Kaleka, whose father was murdered by a white supremacist, say that a combination of lovingkindness (Pali, metta) and relentless optimism (Punjabi, chardi kala) is the only path forward. The pair came together after the 2012 Sikh temple shooting in a Milwaukee suburb...