US senators on Sunday touted a bipartisan bill that would arm President Donald Trump with “sledgehammer” sanctions to use against Russia, ahead of a visit by the US special envoy to Ukraine. Trump has indicated he would be open to the sanctions bill as relations with Russian counterpart Vladimir Putin grow increasingly frosty.

A bipartisan U.S. bill that would hit Russia with sanctions in a bid to pressure Moscow into good-faith peace negotiations with Ukraine has gained momentum this week in Congress, but it still lacks the presidential push it needs to get over the finish line.

President Donald Trump on Sunday said the United States would send Patriot air defense systems to Ukraine to help it fight off a Russian invasion, as his relations with Russian President Vladimir Putin soured.

More than a quarter of Trump voters say his tariffs are hurting U.S. trade negotiations with other countries, according to a Politico-Public First poll of self-identified Trump supporters. When asked if Trump’s tariffs are helping or hurting trade negotiations,

President Donald Trump said on social media that he would impose a 30% tariff on the European Union and Mexico on August 1. NBC News' Yamiche Alcindor reports on how Trump would respond if either the E.