The top three countries where drgrist's Twitter followers are from include USA(74%)Canada(5%)and UK(5%)
About @drgrist (David Roberts):
Seattleite transplanted from Tennessee; now blogging for Grist about energy politics. Climate hawk, deficit dove.
@drgrist said:
According to tweepsmap.com/!drgrist 67% of my followers are from USA,11% from California & 6% from NYC