WASHINGTON Visa applicants from six Muslim-majority countries must have a close U.S. family relationship or formal ties to a U.S. entity to be admitted to the United States under guidance distributed by the U.S. State Department. The directive defined close family as a parent, spouse, child, adult son or daughter, son-in-law, daughter-in-law or sibling, including step-siblings and other step-family relations, according to a cable distributed to all U.S. diplomatic posts on Wednesday and seen by Reuters. Close family "does not include grandparents, grandchildren, aunts, uncles, nieces, nephews, cousins, brothers-in-law and sisters-in-law, fiancés, and any other 'extended' family members," according to...