Did cats really disappear from North America for 7 million years?

Here's the science behind the so-called "cat gap," a roughly 7 million-long period in North America in which there aren't any known cat fossils.

Did cats really disappear from North America for 7 million years?
Here's the science behind the so-called "cat gap," a roughly 7 million-long period in North America in which there aren't any known cat fossils.