LONDON (AP).- In the middle of London, a plot of earth is dug across with trenches and studded with old bricks. If the world of theater ever has hallowed ground, this is it. It’s the site of London’s first theater, where William Shakespeare’s plays were performed and where the Bard himself once trod the boards. Archaeologists who have been digging here since 2008 have uncovered a section of outer wall and floor surface from the building, completed in 1576 and known simply as The Theatre — whose timbers were later used to build The Globe theater. Now a London drama troupe plans to erect a new building on the site, bringing live performances back to the spot where Elizabethan drama flourished more than 400 years ago. This week actor Paul McGann stood amid the dirt and