Democratic takeover of the US Congress: what will happen next? With control of both chambers, Democrats can scrutinize the Trump administration, block nominees and advance legislation on health care, tariffs and the Iran war. But Trump's veto power and Senate rules of procedure will limit how much they can achieve.

Democratic takeover of the US Congress: what will happen next? With control of both chambers, Democrats can scrutinize the Trump administration, block nominees and advance legislation on health care, tariffs and the Iran war. But Trump's veto power and Senate rules of procedure will limit how much they can achieve.