Amid site protest arrests, a Richmond, Va. appeals court panel admits its cancelled jurisdiction to rule on suits seeking to stop the $6.6 billion gas line's completion, but route landowners are pressing another court to keep their eminent domain lawsuit alive.

Justices could move to reduce power of U.S. agencies such as EPA and SEC to interpret rules under unclear federal laws based on 40-year-old high court precedent, but they opt not to intervene in the latest climate-change damage litigation against energy companies.

Decision written by Trump appointee Neil Gorsuch halts administration plan to deport DACA-protected immigrant workers.