The L.A. Times reported today that they've found another source who corroborates Melody Townsel's allegations about John Bolton (which involve temper tantrums, threats, and lies aimed at ruining her career in the government).
This is NOT somebody Melody provided. In fact, she doesn't even know who it is. The full story is here: http://www.latimes.com/news/nationworld/nation/la-na-bolton20apr20,0,1776744.story?coll=la-home-head
lines
Here's the relevant portion:
Senate staffers said the committee had a second witness who corroborated Townsel's story but could not supply details late Tuesday.