[QUOTE=BillJ;7476922]
YARN wrote:

Well, Spock was the very first character to warn us of the dangers of contaminating the timeline back in 1966 with Tomorrow is Yesterday.
|
But that was a closed timeline where you could create causal paradoxes by killing your grandfather or breaking up mom and dad in 1955. With a
branching timeline there are no dangers to the original timeline, because you're not in it anymore - indeed the only person in the nu-Trek verse who ever was is old-Spock.