WASHINGTON — The U.S. seized two Venezuela-linked oil tankers in the Atlantic Ocean on Wednesday, one sailing under Russia's flag, as part of President Donald Trump's aggressive push to dictate oil flows in the Americas and force Venezuela's socialist government to become an ally. After capturing Venezuelan President Nicolas Maduro in a Saturday military raid on Caracas, the U.S. is escalating its blockade of vessels that are under sanctions and going to and from the South American country, a member of the OPEC oil producers group. The White House also said it plans to roll back some of the sanctions Trump placed on Venezuelan oil in 2019 during his first term. A weeks-long chase across the Atlantic ended on Wednesday morning when the U.S. Coast Guard and U.S. military special forces, bearing a judicial seizure warrant, apprehended the Marinera crude oil tanker, which had refused to be boarded last month before switching to Russia's flag, officials said. With a Russian submarine and vessels nearby, the seizure risked more confrontation with Russia, which has condemned U.S. actions over