Best Of: Michael Shannon / 'Pluribus' Star Rhea Seehorn
Michael Shannon understands he's associated with some intense, menacing characters he's played, like Agent Nelson Van Alden in 'Boardwalk Empire.' "I'm a big fella, and I got this giant head, and it's not too difficult for me to seem intimidating I suppose, but it couldn't be further from what I'm actually like," he tells Dave Davies. In two new projects, though, Shannon plays good guys. He's President James Garfield…