Adding to the growing list of scheduled appearances he has canceled at the last minute, Donald Trump flaked Tuesday on an interactive town hall titled Make America Healthy Again.

The event, which had been rescheduled once already, was billed as an expert-driven discussion featuring Trump, Robert F. Kennedy Jr. and Tulsi Gabbard, among others.

The town halls website now reads, This event has been cancelled for now due to changes in President Trumps schedule.

In recent weeks, Trump has pulled out of interviews with CBSs 60 Minutes, CNBC and NBC News .

Last week, the National Rifle Association said it was canceling an event with Trump because of campaign scheduling changes .

After Trump also reportedly backed out of an interview with The Shade Room last week, one of Trumps handlers reportedly told producers he was exhausted and refusing [some] interviews.

Democratic presidential nominee Kamala Harris pounced on the report.

He is ducking debates and canceling interviews, the vice president remarked during a rally in Grand Rapids, Michigan. And check this out; his own campaign team recently said it is because of exhaustion.

Well, if you are exhausted on the campaign trail, it raises real questions about whether you are fit for the toughest job in the world, she said.