https://www.pbs.org/newshour/politics/watch-live-trumps-second-impeachment-trial-begins-in-senate
full details described.
https://www.msn.com/en-us/news/politics/whos-who-in-trumps-2nd-impeachment-key-players-from-rep-jamie-raskin-to-attorney-david-schoen/ar-BB1dvS78?li=BBnb7Kz