Article continues below advertisementAs Washington gears up for the White House Correspondents' Association Dinner, one off-calendar event is already stealing the spotlight.David Ellison, the billionaire media executive behind Paramount Skydance and the newly installed leader of CBS News, is hosting an invite-only dinner "honoring" President Donald Trump just days before the annual press gathering. The timing - and the guest list - are fueling a growing conversation about where the line between access and endorsement now sits.