Winter - Summer : trend or cycle?

Very interesting findings by Senator James Inhofe of Oklahoma...

“Trying to prove man-made global warming by comparing the well-known fact that today's temperatures are warmer than during the Little Ice Age is akin to comparing summer to winter to show a catastrophic temperature trend.” (NAS REPORT REAFFIRMS ‘HOCKEY STICK’ IS BROKEN)

"Climate alarmists have been attempting to erase the inconvenient Medieval Warm Period from the Earth’s climate history for at least a decade." One global warming alarmist told point blank “We have to get rid of the Medieval Warm Period.” ... "In addition, something that the media almost never addresses are the holes in the theory that C02 has been the driving force in global warming."