Pelosi maintains the upper hand whether she transmits impeachment articles or not

If House Speaker Nancy Pelosi plays her cards right, she has already won her high-stakes match-up with Senate Majority Leader Mitch McConnell over the Senate impeachment trial. McConnell said Tuesday that he has enough Republican votes to proceed to a Senate trial without committing to the inclusion of witnesses and new documents, and he called on Pelosi to send the articles. Pelosi responded Tuesday night with a statement urging McConnell to "immediately publish" the resolution he plans to pass so that she can appoint floor managers and transmit the articles. ....
https://www.dailykos.com/story/2020/1/8/1910244/-Pelosi-maintains-the-upper-hand-whether-she-transmits-impeachment-articles-or-not