Robert F. Kennedy Jr, President Donald Trump's pick to run the top U.S. health agency, heads to the Senate Health committee on Thursday after being grilled by Democrats on a different committee over his past comments on vaccines and shifting stance on abortion rights.

Robert F. Kennedy Jr. will face his first vetting by lawmakers this morning when Senate Finance Committee members are sure to ask about his past comments on vaccines, federal health agency reform and abortion.

Robert F. Kennedy Jr. will face the Senate for two days of confirmation hearings in a bid become the leader of Health and Human Services.

The Republican-controlled Senate on Wednesday confirmed Lee Zeldin to lead the Environmental Protection Agency, a key role to help President Trump fulfill his pledge to roll back major environmental regulations, including those aimed at slowing climate change and encouraging use of electric vehicles. The vote was 56-42 in Zeldin's favor.

The former New York congressman has little experience in environmental policy. He is expected to follow orders to weaken climate rules.

A majority of the U.S. Senate on Wednesday voted to confirm former Republican Congressman Lee Zeldin to lead the Environmental Protection Agency, who will play a key role in rolling back major Biden administration climate rules aimed at slashing emissions from vehicles,