Are greenbacks finally trumping greens? Money talks (AP) The cost of energy, especially the “cost of gas,” has zoomed to the top of voters’ economic concerns, according to the latest NBC/Wall Street Journal poll.

Perception is the key. The big question may be whatÂ’s causing sky-high oil and gasoline prices . But that seems too tricky to answer for sure. The more immediate question is who voters are likely to blame in November.