Sinema has expressed support for Robert F. Kennedy Jr.'s "Make America Healthy Again" movement and advocated for the ...

Kyrsten Sinema, a United States senator from Arizona, is leaving the Democratic Party. Here's the way she put it in a video she released. (SOUNDBITE OF ARCHIVED RECORDING) KYRSTEN SINEMA: Registering ...

Kyrsten Sinema (I-Ariz.) for purported campaign finance law violations months after she left the Democratic Party, according ...

The DOJ and FBI considered criminal investigation into former Sen. Kyrsten Sinema over possible campaign finance violations ...

WASHINGTON -- The Arizona Democratic Party's executive committee formally censured Sen. Kyrsten Sinema on Saturday morning as a result of her inaction on changing the filibuster rules to pass voting ...

Sinema left the Democratic Party in December. But she also says she won't become a Republican, describing the GOP as "broken" in a recent interview.

A crop of moderate Democrats are trying to counter President Trump and progressive influence in their own party.

She will be registering as a political independent. Arizona Sen. Kyrsten Sinema on Friday made a bombshell announcement that she is leaving the Democratic Party and will be registering as a political ...

WASHINGTON -- Arizona Sen. Kyrsten Sinema on Friday made a bombshell announcement that she is leaving the Democratic Party and will be registering as a political independent. Democrats had held a ...