in school zones could reduce the willingness of individuals to travel to those areas where violent crime occurs. See id. Third, the government argued that the presence of guns at or around schools detrimentally affects the learning environment, resulting in a less productive citizenry, which in turn adversely affects the Nation’s economic well-being. See id. at 564, 115 S.Ct. 1624. By contrast, Instruction 10 required the government to prove either that the fitness center was owned by a foreign party and leased to another foreign party or that the fitness center used gas supplied from out of state in its operations. Suffice it to say that both of these prongs required proof of a direct, rather than an indirect, effect on interstate commerce. See Russell, 471 U.S. at 862, 105 S.Ct. 2455 (<HOLDING>); Hicks, 106 F.3d at 189 (noting that the
holding prospectively that a vendees interest in a real estate contract constitutes real estate within the meaning of the judgment lien statute holding the real estate sale proceeds holding that a tax appeal on real property is a lien on the real estate and not a personal obligation of the landowner holding witness not licensed as real estate appraiser could not testify as expert on real estate valuation where statute made it unlawful to engage in real estate appraisal without license holding that the rental of real estate is unquestionably an activity affecting commerce