I think that it is just merely a coincidence. The research doesn't exactly seem to take into account politics as a whole. Most countries who are not
run as a dictatorship have an appointed figures that are only in office for a given amount of time. Their decisions in office good or bad effect how
other countries and political figures may react in response. They also put into effect laws or regulations that may only last for similar time
You also have to take into account that the population grows obviously as the time passes. So with a higher global population you also have a direct
effect on resources and tempers flaring with more people in closer proximity, i.e. increased murders, conflict over food, land and other resources.
If he was to argue that the solar cycles have a direct effect on political figures and governments specifically, and not on humanity as a whole. Then
I may be a little more interested.
edit on 23-3-2011 by zarlaan because: (no reason given)