Trump calls for Obama testimony amid unmasking controversy; Graham cool to idea https://www.foxnews.com/politics/trump-calls-on-graham-to-demand-obama-testify-amid-unmasking-controversy-just-do-it Let's see where Graham's loyalties really are... But Graham, in a detailed statement early Thursday afternoon, expressed reluctance to go so far as calling Obama to testify. He said he is "greatly concerned about the precedent that would be set by calling a former president for oversight."