That's a good point. Hawking's argument presupposes a purely natural universal gravitation, the problems with which assumption were exposed several years ago b

That's a good point. Hawking's argument presupposes a purely natural universal gravitation, the problems with which assumption were exposed several years ago by Burdett et al., as reported here: <http://www.theonion.com/articles/evangelical-scientists-refute-gravity-with-new-int,1778/&#62 http://www.theonion.com/articles/evangelical-scientists-refu...;