The United States Senate is set to vote on a resolution to block President Trump's "Liberation Day" tariffs, which were imposed under a national emergency declaration. Spearheaded by Senators Ron Wyden and Rand Paul, the bipartisan effort seeks to nullify the tariffs due to concerns about their economic impact, though it faces an uncertain future in the Republican-controlled House of Representatives. The vote highlights the ongoing tension between the executive and legislative branches over trade policy, with significant implications for international trade and the domestic economy.