Tensions on the Supreme Court have flared this term as justices have clashed with each other and with lawyers at oral arguments amid a wave of Trump-era emergency appeals. These exchanges at any other forum would hardly even raise an eyebrow. But at the Supreme Court, where decorum and respect are bedrock principles and underpin even the most casual cross-talk between justices, these recent clashes are significant. After one particularly acrimonious exchange, several longtime Supreme...