“Activist” was among the primary descriptors used to summarise the life and work of the late Charlie Kirk, assassinated on September 10 at a college campus in Utah.  In Ireland, the term might be “pundit” or “talking head”. Kirk’s trade was talking, debating, and for several years, he plied it all over the internet and all over the country, with a particular eye to impressing and conscripting young conservatives. He was killed doing it.  When Jerry of Ben & Jerry’s walked away from the enterprise last Wednesday after 47 years in business, headlines said his reason for leaving was having…