Donald Trump may be hoping to spend the final two years of his presidency pushing his agenda and securing his political legacy, but the midterm elections have now brought a new political reality into focus, with the balance of power in Congress set to shape how difficult the remainder of his term could become. And standing among the most influential voices encouraging Democrats to fight back is former President Barack Obama, whose renewed involvement in Democratic politics could make life considerably more difficult for the Republican administration.

The potential problem for Trump is that the pressure could come from two directions at once. A stronger Democratic presence in Congress could give the opposition greater opportunities to investigate his administration, scrutinize its decisions and challenge policies that Republicans have been able to advance with fewer obstacles. At the same time, Obama could help shape the public argument against the president, giving Democrats a familiar and influential figure to rally around as they prepare for the next phase of the political battle.

It is a prospect that could turn Trump’s final two years in the White House into a prolonged and nightmarish political battle. Democrats could force Trump’s administration to spend more time defending its decisions and dealing with opponents than pursuing its own agenda.

Obama Wants Democrats to Turn the Midterms Into a Turning Point

Obama has been increasingly vocal in his criticism of Trump, using campaign appearances and public remarks to challenge the administration’s policies and encourage Democrats to put their differences aside. His message has been that the party needs to focus on the political challenges ahead rather than allow internal disagreements to weaken its ability to exercise power.

Speaking to House Democrats, Obama said a Democratic-controlled House could serve as a “bulwark” against what he sees as the Trump administration’s worst impulses. In other words, he believes Democrats need to do more than simply push their own policies if they hold the majority; they must also use their power in Congress to challenge the president and keep his administration in check.

Obama has also used his campaign appearances to criticize Trump’s approach to issues including tariffs, Iran and the economy, while urging voters to hold the administration accountable. His involvement gives Democrats access to one of the party’s most recognizable public figures at a moment when they are preparing to respond to the election results and determine how best to use their influence in Washington.

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A Democratic Congress Could Open a New Front Against Trump

The consequences for Trump could become more serious if Democrats have gained control of the House or Senate. A majority in either chamber would give the opposition more opportunities to scrutinize the administration, although the extent of its power would depend on which chamber it controls and the political circumstances surrounding each issue.

In the House, Democratic committee leaders could launch investigations, request government documents, hold hearings and summon administration officials to answer questions. Areas of scrutiny could include the president’s use of executive authority, government spending, administration decisions and potential conflicts of interest.

That would not give Democrats the power to undo Trump’s policies overnight or force the White House to follow their demands. The president would still have his own executive powers, and Republicans could use their influence in the Senate and elsewhere in government to push back against Democratic efforts. Even so, a steady stream of investigations and congressional hearings could make life much more difficult for the administration.

For Trump, that could mean spending much of his remaining time in office answering questions, defending his decisions and dealing with congressional investigations instead of focusing on the priorities he wants to push through before his term ends.

Obama Could Keep the Pressure on Beyond Election Day

This is where Obama’s continued involvement could become particularly important. He would not control a Democratic Congress, direct its investigations or decide which issues lawmakers pursue. Those decisions would belong to elected representatives and congressional leaders.

But Obama could help keep the opposition’s message in the public conversation, appearing at political events, supporting Democratic candidates and using his platform to challenge the administration’s decisions. His ability to attract attention could also make it harder for Republicans to dismiss Democratic criticism as simply another dispute between politicians on Capitol Hill.

For Democrats, Obama’s involvement could give them a powerful and familiar voice to help bring their criticism of Trump together into a clear political message. Republicans, meanwhile, could find themselves facing not only tougher opposition from Congress but also a former president with the influence and public profile to keep the pressure on the administration.

Trump’s Final Two Years Could Look Very Different

The election has now taken place, but the full political consequences will depend on the final results, the priorities of Democratic lawmakers and the decisions Obama makes about his own political involvement. Nor has Obama announced a formal plan to personally lead an opposition campaign against Trump after the election.

But the possibility presents a difficult scenario for the White House. If Democrats take control of either chamber, Trump could face a more assertive Congress prepared to use its oversight powers, while Obama continues helping the party challenge his administration in public.

Rather than enjoying a relatively clear path through the final two years of his presidency, Trump could find himself caught in an almost constant political confrontation. And if Obama remains an active voice in that fight, the former president could help ensure that the pressure on the Republican administration continues long after the midterm results have been announced.