On brief writing: "Organization, clarity, and concision, are what we long for in briefs, but only rarely get." Introductions (two pages long at the most) are "terribly important." Really good appellate practice is "a skill and an art."
On oral argument: The biggest flaw at oral argument is advocates who are not truly listening to the questions being asked by the bench. Strong advocates are nimble, and know when to pivot to a different issue.