Mohel have the training, they designate a "mohel". The mohel is specially trained in circumcision and the rituals surrounding the procedure. Many "mohalim" are doctors or rabbis (and some are both) or cantors and are required to receive appropriate training both from the religious and medical fields. Traditionally, the "mohel" uses a knife to circumcise the newborn. Today, doctors and some non-Orthodox "mohalim" use a perforating clamp before they cut the skin. The clamp makes it easier to be precise and shortens recovery time. Orthodox "mohalim" have rejected perforating clamps, arguing that by crushing and killing the skin it causes a
What Is a Nation? and continues to be invoked. Political historian Karl Deutsch, in a quote sometimes mistakenly attributed to Renan, said that a nation is "a group of people united by a mistaken view about the past and a hatred of their neighbours". Benedict Anderson's 1983 work Imagined Communities, which states that a nation is an "imagined political community", argues that Renan contradicts himself when he says French people must have forgotten the St. Bartholomew's Day massacre, yet does not explain what it is. In other words, Renan assumes that all his readers will remember the very massacre he says they have forgotten.