"on the ground that the matter is impertinent and immaterial" are disfavored, when material is also - scandalous," no such presumption applies. CI Lipsky v. Commonwealth United Corp., 551 F.2d 887, 893 (2d Cir. 1976); see also Talbot v. Robert Matthews Distrib. Co., 961 F.2d 654, 664 (7th Cir. 1992)