The Senate seats most likely to flip parties in November - The Washington Post
1900–01 United States Senate elections - Wikipedia
Judy Shelton's Fed confirmation in doubt as a third Republican senator will oppose nomination - MarketWatch
With Outcome Still in Doubt, Congress Opens an Uncertain Post-Election Session - The New York Times
Democrats' New Senate Move: Backing Long-Shot Candidates - WSJ
U.S. Senate vote on Fed nominee Shelton in doubt as Grassley quarantines | Reuters
Brown Wins Massachusetts Senate Seat, Potentially Upending Obama Agen - WSJ
McConnell casts doubt on border and Ukraine aid deal as GOP fury threatens both
Democrats perform better than expected in US midterms, but both Senate and House remain in doubt
Shadow of doubt: Are Trump candidates changing their election denial tune heading into 2024? - Washington Examiner
Can Republicans hold on to Senate majority in 2016? There's reason for doubt. - The Washington Post
Pelosi throws timing of impeachment trial into doubt
Nomination of Sarah Bloom Raskin for Fed Seat in Doubt after Manchin Opposition - Maryland Matters
US midterms: The 10 key races that will decide fate of the Senate | US Midterm Elections 2022 News | Al Jazeera
Jackson on track for confirmation, but GOP votes in doubt - OPB
Democrats can keep Senate control with these six crucial races - The Washington Post
New Hampshire Senate showdown: Hassan charges Bolduc's 'casting doubt' on election | Fox News
Nomination of Sarah Bloom Raskin for Fed seat in doubt after Manchin opposition - Ohio Capital Journal
Fate of US climate change bill in doubt after Scott Brown's Senate win | Climate crisis | The Guardian
Democrat Wins Special Election for Kerry's Senate Seat - The New York Times
Mitch McConnell's Senate Future Is in Doubt After Health Episode - The New York Times
McConnell Casts Doubt on Border Deal, Saying Trump Opposition May Sink It - The New York Times
Party chair insists Republicans will hold Senate after Trump voices doubt | US elections 2020 | The Guardian
US midterms: The 10 key races that will decide fate of the Senate | US Midterm Elections 2022 News | Al Jazeera
Survey: Democratic Aides Doubt Senate Can Block SCOTUS Nominee - Roll Call
