Scoop: Senate Dems propose sprawling Signal chat probe

• Sen. Jacky Rosen (D-Nev.) led 16 Democrats Thursday in asking three Senate panels to compel testimony from top Trump officials, including Vice President Vance, involved in the group chat.
• They argued that administration officials have misled and excused "likely illegal behavior."
• The Atlantic on Wednesday published the text of the group chat, which had mistakenly included the publication's editor-in-chief.

Driving the news: The Democrats want nine top Trump officials to testify before Congress as part of an investigation into the breach.

• In a letter obtained by Axios, they urged the Republican chairmen of the Senate's Armed Services, Foreign Relations and Intelligence committees to hold joint or separate hearings.
• "Our national security demands that we act with urgency to uncover the full details of this severe security breach and implement measures to prevent such recklessness in the future," they wrote.
• Sen. Roger Wicker (R-Miss.), the top Republican on the Armed Services panel, has called for an expedited Defense Department inspector general probe into the matter.

Go deeper: Vance's anti-Europe obsession runs deep in texting debacle