• Rep. Thomas Massie introduces impeachment articles against US Defense Secretary Pete Hegseth.
• The move challenges the Trump administration's top Pentagon official over the US war against Iran.
• House Democrats are on board with voting to impeach Hegseth.
• It's unclear how many Republicans will break with the White House's public messaging.

This development may indicate growing bipartisan opposition to the Trump administration's handling of the Iran war. The impeachment effort could suggest a shift in congressional dynamics, potentially impacting the administration's defense policy and leadership, which may have broader implications for US foreign policy and national security.