A long drawn out sentence that says nothing, ultimately. Pretty much just talking bollocks when you're not clear on what you're saying, but trying to make it sound like you do.
"... has tremendous strength in depth."
"In comparison blah blah blah." Without comparing it to anything at all.
Another Daveism is to finishing a list that was never started. OR change tense mid-sentence.
Using more subclauses than Santa's football team.