Another poem for National Poetry Month, this time by W.H. Auden (my second favorite after Yeats). In this case, it's "Epitaph on a Tyrant" from 1939.
Perfection, of a kind, was what he was after,
And the poetry he invented was easy to understand;
He knew human folly like the back of his hand,
And was greatly interested in armies and fleets;
When he laughed, respectable senators burst with laughter,
And when he cried the little children died in the streets.
Draw your own conclusions.
I've always been partial to Auden's Massacre of the Innocents in A Christmas Oratio.