What's been the backbone of social stability has changed as the number of part-time and temporary workers goes up.
The DPJ failed to present an easy-to-understand, clear policy to the people. In that sense, DPJ doesn't have enough to be the ruling party.
What we're seeing is a result of Koizumi's diminishing popularity -- the 'Koizumi effect' is wearing off.
We get more exposure to crowds we don't normally play in front of.