Democrats are threatening hardball tactics as they try to break a blockade by Sen. Ted Cruz (R-Texas) that has left dozens of President Biden’s State Department nominees in limbo. Democrats and the conservative firebrand are struggling to make progress toward an agreement that would trade votes on some of Biden’s ambassador nominees for a vote on sanctions related to the construction of the Russian Nord Stream 2 pipeline, a longstanding goal for Cruz, who has ensnared nominations across the State Department, the Treasury Department and the U.S. Agency of International Development (USAID). Absent a deal, Democrats are warning that they...