Nomination & Controversy - Mike Waltz's nomination to be ambassador to the United Nations faced scrutiny in a Senate hearing following a "Signalgate" controversy [1][2] - The controversy stemmed from Waltz inadvertently including a journalist in a private group chat where military plans were discussed [1] - Democrats questioned Waltz's judgment and raised national security concerns regarding his use of Signal for discussing sensitive information [5] - Republicans supported Waltz and dismissed the controversy, indicating his confirmation is likely [6] Signal Usage & Security - Waltz defended his use of Signal, claiming no classified information was shared and that it's a legally permissible and widespread practice in the government [3] - Democratic Senator Chris Coons argued that Signal is not a secure way to convey classified information and expressed concern over sharing sensitive information on a commercially available app [4] Bipartisan Support - Traditionally, the ambassador to the United Nations post garners bipartisan support, but it's unclear if the "Signalgate" controversy will deter Democrats from supporting Waltz [7][8] - Senator Fedterman of Pennsylvania is being watched as a potential Democrat who might cross party lines to support Waltz [8]