President Donald Trump took a swipe at one of his own allies at the rescheduled White House Correspondents Dinner. The 80-year-old president mocked CBS News editor-in-chief Bari Weiss as her time leading the network has seen controversy after controversy. Trump, speaking about what he views as his “accomplishments,” took credit for the new direction CBS News has taken. Mike Blake/ReutersTop programming at CBS has seen a ratings collapse under Weiss. Ratings for CBS Evening News have steadily declined since Weiss made Tony Dokoupil the anchor, and CBS Mornings saw its smallest weekly viewership in the program’s history last week.