Green party presidential candidate Ralph Nader says the Europeans are right: there are too many unanswered questions about genetically modified crops.Nader made his comments Friday on a campaign swing through Iowa, where farmers have embraced genetically altered seeds. According to U-S-D-A statistics, 59 percent of soybeans planted in Iowa this season were genetically modified and 30 percent of Iowa’s corn crop is a genetically modified variety.Europeans have refused to accept U-S meat due to complaints about growth hormones and they’ve refused genetically modified grain. Nader says those who support genetically altered seeds are “arrogant.”Nader is critical of U-S corporations who are pushing farmers to plant genetically modified seeds. Nader made his comments during Friday’s taping of the Iowa Public t-v show “Iowa Press.” He also held rallies in Des Moines and Iowa City.