CBS execs have heard all your Grampa Simpson jokes, but they don’t really care: The network’s reboot of Matlock is a smash hit. Within a week of premiere, every episode of the Kathy Bates-led drama has attracted an eye-popping 13.5 million viewers, including streaming on Paramount+, ratings giant Nielsen says. That not only makes Matlock the fall’s most-watched newcomer — by a mile ...