As of 2010, how many states do not engage in direct democracy?

How can misinformation interfere with memory? how might the memory of an eyewitness be affected by testing if they receive misinformation?

What is the role of institutions in society - do they perform positive functions, or simply work in the interests of the powerful and against the powerless? (a related question here is why do our life chances vary by class, gender and ethnicity)

You swipe your debit card too many times. what additional charges should you expect?