By Alan Caruba
As you try to wrap your mind around that explanation, just think about the way the Earth goes through regular seasons as well as predictable cycles of warming and cooling. It has done this now for some 4.5 billion years.
Alan Caruba's blog is a daily look at events, personalities, and issues from an independent point of view. Email: firstname.lastname@example.org or email@example.com Copyright, Alan Caruba, 2014 With attribution, posts may be shared. A permission request is welcome.