What can we expect next from Trump's Senate impeachment trial? Salon's executive editor Andrew O'Hehir and senior politics writer Amanda Marcotte break down the latest major development in the case—a leaked detail from former national security adviser John Bolton's new book that confirms why Trump's withheld foreign aid from Ukraine. Pressure is building for Republicans to call witnesses. How is Trump's legal defense team handling the Bolton bombshell and what happens next? Watch the conversation above to hear Salon's analysis.