Kyrsten Sinema and the Thumbs-Down That Enraged the Left The Arizona Democrat, one of a handful of moderate senators who hold heavy sway over President Biden’s agenda, has come under mounting pressure for her opposition to liberal priorities. Senator Kyrsten Sinema’s centrist stances have angered progressives who are familiar with her liberal political roots.Credit...Anna Moneymaker for The New York Times March 7, 2021 WASHINGTON — When Senator Kyrsten Sinema stepped onto the Senate floor on Friday to vote against including a minimum-wage increase in President Biden’s pandemic aid bill, she knew she would draw the ire of progressives in her own party.