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- Despite leaving the Democratic Party, Sen. Kyrsten Sinema says she'll never become a Republican.
- But Senate Minority Leader Mitch McConnell says he would've welcomed her into the conference.
- McConnell added that the "decision was made" when she decided to keep caucusing with Democrats.
Sen. Kyrsten Sinema is in a unique position in American politics: welcome in either political party, at least in the staid, collegial environment of the United States Senate.