“…They experienced, even before entering parliament, that they are “members of a common team with common rules” (Patzelt 2003, 107) and understand, or are effectively reminded of, the fact that they owe their mandate (in the German electoral system) overwhelmingly to partisan votes that are based on a party platform which, therefore, commits the MPs to the will of their electorate (Crowe 1986). Party socialization, Jörke (2012, 233) states in rather exaggerated terms, “over the years transfers young radicals into obedient party soldiers” (own translation). Additionally, after having held offices in various bodies of the party organization, politicians created networks with copartisans and, thereby, a keen intuition for sentiments and policy positions that are supported by a majority of other party members.…”