Scientists Facing Facts About Global Warming, Sort Of...

Scientists have at least acknowledged that global warming has stopped in the past 10 years, although they still fail to mention that the earth has actually cooled by the same amount in the last 10 years as it has cooled in the previous 90.

My question is simple: if 90 years of gradual warming is a long enough statistical time period to make the case for global warming, then why isn't a 10-year period long enough to make the case for global cooling? Compared to the earth's age, they carry the same statistical significance.