Federal authorities arrested two individuals for conspiring to attack Baltimore power grids, officials said in a press conference on Monday. Officials said that Brandon Russell and Sarah Clendaniel “took steps” to shoot at numerous Baltimore electrical substations, aiming to “completely destroy this whole city.” Officials said that the two of them were taken into custody last week before they could carry out their plans. “The accused were not just talking but taking steps to fulfill their threats and further their extremist goals. Russell provided instructions and location information. He described attacking the power transformers as the greatest thing somebody can...