The US Secretary of Homeland Security ran her department like a female "frat house" where men were routinely bullied and sexually humiliated, according to a lawsuit filed by a former official. Janet Napolitano, who was handpicked by President Barack Obama to defend America's borders, allegedly allowed a female subordinate to terrorise some of the country's most senior security officials while moving less-experienced women to top roles. The lawsuit alleges that Suzanne Barr, Miss Napolitano's chief of staff at Immigration and Customs Enforcement (ICE), would regularly carry out "sexually offensive" behaviour intended to "humiliate and intimidate male employees". On one occasion...