FARMERS BRANCH, Texas - Supporters say a sweeping ordinance intended to keep out illegal immigrants is necessary because the federal government has failed to address the issue. Critics argue the proposal could lead to sanctioned discrimination and racism. Both sides are carefully watching if this Dallas suburb becomes the first city in Texas to adopt strict limits on anti-illegal immigration, a cause for concern among its large minority population. A councilman has given city attorneys drafts of an ordinance that would make English the city's official language and proposals to fine companies and landlords who do business with illegal immigrants....