DALLAS — The Dallas hospital that treated the first patient to be diagnosed in the U.S. with Ebola lied to Congress when it said its staff was trained to handle the deadly virus, a nurse who contracted the disease contends in a lawsuit filed Monday. Nina Pham, who was an intensive care unit nurse at Texas Health Presbyterian Hospital Dallas, says in her suit after being told last fall that she would be treating a patient suspected of having Ebola, “the sum total” of information she was given to …