Elizabeth Holmes said she put Pfizer and Schering-Plough's logos on Theranos reports, but deflected blame for other controversies and failings

Elizabeth Holmes spent a long day on the stand Tuesday alternately taking and shirking responsibility for major decisions and developments at Theranos Inc. Most notably, The New York Times, The Wall Street Journal and Bloomberg have all reported that Holmes admitted that she was the person who put two pharmaceutical companies' logos on evaluations of her blood-testing startup's technology without their knowledge. The prosecution has essentially alleged that she included the logos of Pfizer Inc.…