Republican skepticism in the Senate of President Donald Trump’sCabinet nominees has been worn down, putting his unconventional choices for some of the most powerful positions in the federal government on the verge of confirmation.

The Senate plans a key vote Monday to advance the nomination of Tulsi Gabbard, President Donald Trump’s controversial pick to serve as director of national intelligence. The move could clear the way for the full Senate to vote on Gabbard’s confirmation later this week.

The Republican said she received several assurances from Robert F. Kennedy Jr. on vaccines, although many public health organizations strongly opposed his nomination because of his legacy of questioning the safety and efficacy of vaccines.