[Runscott]

Originally Posted by bmarlowe1

It is reasonable to consider that small things, including the actions of a single person, can change history in a big way. A terrific fairly new book on this by Jeff Greenfield:

http://www.nytimes.com/2011/03/01/books/01book.html

Mark, that's interesting - I like the fact that he's addressing more realistic 'what if' scenarios than the following example mentioned in the review:

"What if a group of time-traveling white supremacists from South Africa gave Robert E. Lee’s troops AK-47 assault rifles to help the Confederacy win the Civil War?"