I'll believe in the "missing link" when they -blam!-ing find it. Until then, it's as dumb as believing in "missing leprechauns."
English
-
There is no singular "missing link" upon whose existence the validity of evolution rests. It's true that fossils have not been found of every species ever to exist, as the conditions for fossilization are quite rare. However, the tree is complete enough that the general timeline is agreed upon.