Two black women who said their hairstyles made them targets for airport security pat-downs said on Thursday the Transportation Security Administration (TSA) had agreed to stop singling out women for screening based solely on their "sisterlocks." Malaika Singleton, a neuroscientist based in Sacramento, said she was on her way to London last year for an academic conference on dementia when a TSA agent at Los Angeles International Airport began pulling and squeezing her hair. "I was going through the screening procedures like we all do, and after I stepped out of the full body scanner, the agent said, 'OK, now...