"The Era of Bipartisanship Is Over"

The Senate’s months-long effort to clinch bipartisan deals — and prove the body can still function — is quickly running out of gas.

The Senate passed legislation this week aimed at combating China’s competitiveness, in a win claimed by both sides as an example of how the embattled chamber can cut and pass meaningful agreements.

But senators are facing a heavy lift as they try to figure out what’s next on the legislative agenda, with a host of bipartisan talks facing skepticism and Democrats grappling with dissent in their ranks. The two Senate leaders are trading shots over who is to blame for...