Marco Rubio and Sergei Lavrov exchanged new ideas for ending the Ukraine conflict amid Trump's consideration of increased sanctions against Russia and military aid to Ukraine

The Pentagon last week announced that it would hold back some weapons pledged to Ukraine because of what U.S. officials said were concerns that American stockpiles were in short supply.

Following the Pentagon announcing a pause on weapons, the U.S. president said Ukraine must defend itself from Russia.

President Trump announces arrangement where NATO pays for US weapons sent to Ukraine, as Russian strikes intensify across Ukraine, including an attack on a maternity hospital.

Former Vice President Mike Pence says he thinks isolationists “may have lost some of their footing” in President Donald Trump’s administration, as he praised Trump’s tougher talk toward Russia’s Vladimir Putin and his decision to bomb Iranian nuclear facilities.

Latest news and live updates as Marco Rubio meet with Russian foreign minister amid tensions over Ukraine and Trump releases tariff letters to trading partners.

President Trump has been critical of Russian President Vladimir Putin in recent days. NPR looks at the deteriorating relationship and whether Trump might take steps against Russia in favor of Ukraine.

NPR asks Michael McFaul, former U.S. ambassador to Russia, about President Trump's recent tough talk about Russian President Vladimir Putin. Trump said he's now considering new sanctions.

US President Donald Trump has called out Vladimir Putin’s “bullshit” and appears to be getting ready to back major US sanctions against Russia. Could this be the end of Trump’s soft spot for the Russian dictator?