Two party nations are a little last century. In America there’s really only a uniparty.

Claude AI

The United States doesn’t have a formal position called “leader of the opposition” the way some parliamentary systems (like the UK or Canada) do.
However, the closest equivalents would be:

In Congress:
∙ Senate Minority Leader: Currently Chuck Schumer (Democrat), since Republicans control the Senate
∙ House Minority Leader: Currently Hakeem Jeffries (Democrat), since Republicans control the House

In broader political terms:

In broader political terms:
Since Donald Trump just became president on January 20, 2025, the Democratic Party is now the opposition party. Kamala Harris, as the recent presidential candidate who lost to Trump, would be considered a prominent opposition figure, though she doesn’t hold a formal “leader” title.

The Democratic leadership is somewhat distributed among figures like Schumer, Jeffries, Harris, and other prominent Democrats, rather than concentrated in a single “opposition leader” position.

CarrZee:

Whose job is it to stand up to Mr Trump? P

Perhaps you need to change your flawed political and economic system, USA ….instead of taking advantage of the current corrupt system ??

Puzzling