Whether, in a non-production child-pornography prosecution under 18 U.S.C. § 2252A(a)(2), a trial court should define the phrase "lascivious exhibition" (codified in 18 U.S.C. § 2256(2)(A)(v)) by, inter alia, instructing the jury to consider (or not) a list of six optional factors (known as the Dost factors) that can be given whatever weight the jury decides, as well as whether the image "would appeal to persons who are sexually attracted to children."

Whether, in a non-production child-pornography prosecution, a trial court should define 'lascivious exhibition' by instructing the jury to consider the Dost factors and whether the image would appeal to persons sexually attracted to children