By DEEPTI HAJELA NEW YORK — The political piling-on over a state-owned Arab business’ plan to run some American ports is causing concern among Arab American and Muslim American groups, which say the furor is fueled by racism and bigotry. “We’re very concerned about the level of rhetoric and the way that there seems to be the assumption that because a company is Arab it can’t be trusted with our security,” said Katherine Abbadi, executive director of the American-Arab Anti-Discrimination Committee of New York.
