
John Kingdon, a political science professor @UMich , published: "Agendas, Alternatives, and Public Policies" [1984] on how issues get on lawmakers’ agendas and how some ideas succeed in becoming policy and others don’t—in essence, what leads to policy tipping points. Kingdon concludes, policy change can occur when three “streams of influence” converge in a policy window. en.wikipedia.org/wiki/Multiple_…
