Far more relevant is which year is the hottest year on record for THE EARTH AS A WHOLE, as opposed to a select 1% of the area of the Earth. From the same page as your graph, we see these similar 2 graphs. 2005 and then 1998 are the two warmest years on record. The smaller the region of the Earth you are comparing, the less statistically significant it is.
Yes. Global Warming is Global Warming, not America Warming. I don't know why people are always trying to cover it up, its not like reacting to it will actually hurt the economy in the long run. Maybe those who aren't really patriotic are trying to stay on the oil dole and not pay taxes, but taxes will stay stay as they are...its just that the gravy train will go from those who keep material culture stagnant to those that will provide material progress.