It’s the most busted salary in news. CNN is reportedly paying anchor Anderson Cooper $18 million a year — an eye-popping sum that could be in the crosshairs when the ratings-challenged network is spun off by its debt-ridden parent company. Cooper, the face of the network and host of its primetime show at 8 p.m., has an uncertain future following Monday’s stunning announcement by Warner Bros. Discovery boss David Zaslav about the looming split, according to the Puck newsletter. Zaslav tapped WBD Chief Financial Officer Gunnar Wiedenfels to start looking for ways to cut costs when he takes over CNN...