Nobody with any sense cares whether it is a theory or a fact. What
matters is the evidence.
The evidence for evolution -- including speciation -- is overwhelming.
Asking whether it is a "theory" or a "fact" is just a sly way of
saying you don't believe the evidence.
If you have evidence to the contrary, show us your evidence.
It is a nasty made-up issue, made up by people who are very smart and
very adept at raising money off such issues. These are by-and-large
the same people who raise money by sending out mass mailings showing
Gabby Giffords in their crosshairs.