This isn’t the first time Polis, who is seen as a possible 2028 Democratic presidential contender, has shown a willingness to butt heads with his party.

Washington — President-elect Donald Trump is expected to nominate Robert F. Kennedy Jr. to lead the Department of Health and Human Services, according to three sources familiar with the selection. Kennedy has a long record of criticizing vaccines, including spreading misleading claims about their safety.

Kennedy Jr. and Republican presidential nominee and former U.S. President Donald Trump greet each other at a campaign event sponsored by conservative group Turning Point USA, in Duluth, Georgia, U.S.,

Democratic Colorado Gov. Jared Polis praised President-elect Trump for nominating RFK Jr. to be the next secretary of the Department of Health and Human Services.

Celine Dion Rules Runway With Glittering Performance at Hits at Elie Saab Fashion Show in Riyadh Trump transition live coverage: Donald Trump chooses Robert F. Kennedy Jr. to lead HHS 14 of the Most Baffling Mysteries About the Universe The world’s tallest teenager,

President-elect Donald Trump praised Robert F. Kennedy Jr. while speaking at Mar-a-Lago on Thursday night, saying that "nobody's going to be able to do it like you." Trump nominated Kennedy for Secretary of Health and Human Services earlier in the day,