Sources: Trump's former Ukraine envoy still plans to appear at deposition Thursday, despite Pompeo letter;New York Times: Trump suggested shooting migrants in the legs, putting snakes or alligators in water-filled trench at border

From The Situation Room with Wolf Blitzer and Pamela Brown CNN Podcasts

Pompeo, Democrats accuse each other of witness intimidation, as Secretary of State stalls letting officials talk to Congress; Top GOP senator breaks with Trump to support whistleblower, says "uninformed speculation" by politicians "doesn't serve the country"; State Department Inspector General requests "urgent" Hill briefing tomorrow afternoon on Ukraine documents; Police officer who killed her neighbor in his own home found guilty of murder, could face life in prison; Sanders reports $25.3 million in third-quarter fundraising; Sanders releases his first TV ad of 2020 race in Iowa; Harris reports $11.6 million in third-quarter fundraising; 600+ still missing one month after Dorian hit Bahamas as survivors grapple with the devastation and lossTo learn more about how CNN protects listener privacy, visit cnn.com/privacy Learn more about your ad choices. Visit podcastchoices.com/adchoices