Now playing Next USA White House may have little chance of blocking Bolton testimony Analysis: Courts often decline to get involved in executive privilege fights, considering the disputes to be political, not legal. 29/01/2020
Now playing Next USA White House seeks to block publication of Bolton's book, demands classified info be removed first The former national security does not believe that his manuscript contains any sensitive material. 29/01/2020
Now playing Next USA Top Democrat reveals private call with Bolton that bolster his claims against Trump Rep. Engel said the president is wrong that the ex-NSA adviser "didn't say anything about the Trump-Ukraine scandal at the time the President fired him. He said something to me." 29/01/2020
Now playing Next USA High school kids get ready to caucus as Iowa looks to the youth vote Engaged or apathetic? All eyes are on tens of thousands of young people in the state as the nomination process nears kickoff. 29/01/2020
Now playing Next USA Trump impeachment trial live coverage: Senators begin questions Senators will have a total of 16 hours over two days to probe House impeachment managers as well as the White House defense team. 29/01/2020
Now playing Next USA Nine events that have defined the 2020 Democratic race First Read is your briefing from "Meet the Press" and the NBC Political Unit on the day's most important political stories and why they matter. 29/01/2020
Now playing Next USA Trump rages at Bolton, says former adviser would have caused 'World War Six' The president's latest attack on his ex-national security adviser comes as the Senate is weighing calling him as a witness. 29/01/2020
Now playing Next USA Trump impeachment trial: What to expect from the Q&A phase Senators will have 16 hours to grill lawyers from the White House and the House managers before deciding whether to hear from witnesses. 29/01/2020
Now playing Next USA Dutch Trump superfan who claimed he surveilled Ambassador Yovanovitch told people he was DEA Interviews with a half-dozen people who know Anthony de Caluwe and documents obtained by NBC News show that the Trump superfan has a shadowy past. 29/01/2020
Now playing Next USA Connecticut investigates HUD-funded landlord who rented infested homes to poor families Connecticut's attorney general said his investigation was prompted by the federal government's failure to swiftly protect tenants. 29/01/2020
Now playing Next USA Trump accuses Democrats of 'deranged partisan crusades' as impeachment trial heats up As the impeachment trial picks up speed in Washington, Trump attacked Democrats at a campaign rally and urged supporters to flip the House in November. 29/01/2020
Now playing Next USA Bloomberg dogged by awkward canine encounter "Hmm shake my paw, not my teeth," the Twitter account for Elizabeth Warren's dog tweeted at the former New York City mayor. 28/01/2020
Now playing Next USA Does China's Huawei really pose a threat to national security? The Trump admin argues China's Huawei should be banned from building 5g networks. But some U.S. allies, and even some U.S. intel officials, don't agree. 28/01/2020
Now playing Next USA Trump Middle East peace plan expands Israeli territory, offers path to Palestinian statehood Elements of the plan, which the president announced at a White House event with Israeli Prime Minister Benjamin Netanyahu, have already been publicly criticized by Palestinians. 28/01/2020
Now playing Next USA GOP senators to meet to discuss calling witnesses in Trump trial The lawmakers are also expected to discuss the issue of the president potentially using executive privilege to block testimony. 28/01/2020
Now playing Next USA Trump impeachment trial live coverage: The president's defense begins day 3 Trump's defense team will wrap up its arguments Tuesday. 28/01/2020
Now playing Next USA For the GOP on impeachment, it's Trump's way or the highway First Read is your briefing from "Meet the Press" and the NBC Political Unit on the day's most important political stories and why they matter. 28/01/2020
Now playing Next USA The first vote of 2020 ends Tuesday, in Texas Voters in a state house district in the Houston suburbs are set to deliver the first electoral decision of the year — and both parties are watching closely. 28/01/2020
Now playing Next USA 'Women win': Warren takes on gender in final stretch before Iowa caucuses Less than a week from the Iowa caucuses, Elizabeth Warren is leaning in on the gender question. 28/01/2020
Now playing Next USA Dershowitz says 'nothing' impeachable about Bolton allegations In an unpublished manuscript obtained by the New York Times, Bolton claims Trump said he wouldn't release Ukraine aid without Biden investigations. 28/01/2020