Robert F. Kennedy's nomination will put Republican lawmakers' loyalty to the test, as the former Democrat holds a range of unorthodox positions that could alienate both conservatives and liberals.

PolitiFact is live fact-checking the confirmation hearings for Robert F. Kennedy Jr. and Kash Patel, two of President Donald Trump's Cabinet picks.

Robert F. Kennedy Jr. was confronted with a number of his baseless claims and a vexing abortion issue. But Republican senators treaded lightly.

Cassidy is expected to challenge RFK Jr. on his vaccine skepticism and views on public health in today's confirmation hearing.

To watch Kennedy's confirmation hearing, viewers can look to the Senate Finance Committee website on Wednesday and the Senate Health, Education, Labor and Pension Committee website on Thursday. C-SPAN and a plethora of broadcast and cable media outlets will broadcast live what is likely to be a contentious confirmation hearing on television.

Robert F. Kennedy Jr. was pressed to clarify his views on vaccines, abortion and public health priorities in the first of two senate hearings as he tries to make the case to become President

If approved, Kennedy will control a $1.7 trillion agency that oversees food and hospital inspections, hundreds of health clinics, vaccine recommendations and health insurance for roughly half the country.

Robert F. Kennedy Jr., a former presidential candidate and environmental activist, endorsed Donald Trump last year and threw his weight behind a campaign to “Make America Healthy Again.” For the past two decades he has been best known for airing skeptical views on vaccines.

Caroline Kennedy on Tuesday warned that her cousin Robert F. Kennedy Jr. is a “predator” ahead of his high-profile confirmation hearings this week to be President Donald Trump’s Department of Health and Human Services secretary,

Robert F. Kennedy Jr. has said vaccines are not safe. His support for abortion access has made conservatives uncomfortable.

Kathleen "Kick" Kennedy is the eldest daughter of Robert F. Kennedy Jr., who could be confirmed as health secretary in Trump's administration.

If confirmed by the Senate, Kennedy would head the Department of Health and Human Services (HHS), which oversees many of the country’s health agencies, from the Food and Drug Administration (FDA) to the Centers for Disease Control and Prevention (CDC).