ALTENBERG, Germany—Natalie Geisenberger of Germany, the two-time defending women’s Olympic luge champion, is considering skipping the Beijing Games because of her dissatisfaction with the way athletes were treated by Chinese officials when training there earlier this season. Geisenberger made the revelation Wednesday in an interview with German regional broadcaster BR. It would be a massive void in the women’s Olympic luge field if Geisenberger does not attend. She generally is considered the greatest women’s luge athlete ever, has a total of four Olympic golds—two individual, two team—and her 50 World Cup singles wins are by far the most in the sport’s history. She hasn’t made a final decision, and Germany is not expected to announce its Olympic team until the first weekend of January. “The conditions that we experienced there speak in favor of not necessarily going back there again,” Geisenberger told BR. She is racing this weekend in a …