In Boston, the Justice Department is pressing judges to uphold Marathon bomber Dzhokhar Tsarnaev’s death sentence. In New York, it’s asking jurors to impose the death penalty on a man who killed eight people in an attack on a bicycle path. President Joe Biden campaigned on a pledge to work toward abolishing federal capital punishment but has taken no major steps to that end. The Justice Department continues to press for the death penalty in certain cases, even though it has imposed a moratorium that means no federal executions are likely to happen anytime soon. In a Tuesday filing, federal...