Today's Headlines and Commentary

President Trump announced on Tuesday that he fired national security adviser John Bolton, writing on Twitter that he “disagreed strongly with many of his suggestions.” Bolton, however, said on Twitter that he had resigned.

The rapid pace of technological change in areas such as machine learning, artificial intelligence and quantum computing poses sincere challenges to federal national security agencies, writes the National Security Agency’s general counsel in the New York Times.

Israeli Prime Minister Benjamin Netanyahu declared on Tuesday that he would move to annex parts of the West Bank if he wins next week’s general election, reports Reuters.

North Korea tested two short-range projectiles on Tuesday, shortly after saying it was willing to resume denuclearization talks with the United States this month, reports the New York Times.

The House Foreign Affairs, Intelligence and Oversight committees announced a new investigation into Trump’s personal attorney Rudy Giuliani over his interactions with Ukrainian officials and into potential political motives behind the Trump administration's withholding of foreign aid from Ukraine, writes Politico.

The CIA successfully extracted a high-level Russian source with access to Vladimir Putin in 2017, after intelligence officials became concerned about the source’s risk of exposure, according to CNN. The source proved critical to the intelligence community’s understanding of the Russian effort to influence the 2016 election and Putin’s role in that campaign.

Senate Democrats plan to force another vote aimed at overturning Trump’s border emergency declaration, reports the Washington Post.

ICYMI: Yesterday on Lawfare

Michael J. Glennon and Charles Tiefer proposed a Congressional rule-change that the House of Representatives could adopt to resurrect their appropriations power as a check on unwanted presidential war-making.

Giovanna De Maio described how Matteo Salvini, the leader of Italy’s far-right party the League, could return to power after his ouster in August amid the formation of a new coalition government.

Quinta Jurecic shared the House Judiciary Committee’s proposed procedures for an impeachment investigation of President Trump.

Stewart Baker shared the latest episode of the Cyberlaw Podcast, featuring a discussion on bankruptcy and national security with Camille Stewart and a news roundup with Maury Shenk and Mieke Eoyang.