Language poets like Ron Silliman often talk of the sentence as a unit of poetic meaning and signification. Historically, it's been the line that has carried the most weight. For me, as a fan of good poetry as well as a publishing poet, I'm not particularly picky as regards what basic units are employed, as long as certain requirements are fulfilled by the poet or poetess in question: interesting, provocative usage of language (manifested in memorable turns of phrase), sharp images (which I in...