Probably the most celebrated public poet of the twentieth century, and the one who got the largest audiences on earth for it:

Yevtushenko in action

and a couple of other people you might have heard of

There are those who can deliver an effective performance while reading, but they are very much in the minority.

So are those who can deliver an effective performance while not reading. Care to name anybody who could do better on the material I've linked to than the folks in those videos?