The city plans a ceremony that would include readings from Kennedy speeches by historian David McCullough and military jets flying over Dealey Plaza, where the 35th president was shot.

 

But some who believe the assassination was a conspiracy involving high-ranking U.S. officials say their views shouldn't be excluded from the commemoration.

 

"It's absurd to move the discussion of his death to another moment," said John Judge, executive director of the Coalition on Political Assassinations, a Washington, D.C., nonprofit that studies 1960s murders of public figures. "Our First Amendment rights are being violated."