By ERIC TUCKER and MATTHEW LEE, Associated Press WASHINGTON (AP) — Russia freed WNBA star Brittney Griner on Thursday in a dramatic high-level prisoner exchange, with the U.S. releasing notorious Russian arms dealer Viktor Bout, American and Russian officials said. The swap, at a time of heightened tensions over Ukraine, achieved a top goal for President Joe Biden, but carried a heavy price — and left behind an American jailed for nearly four years in Russia. The deal, the second such exchange in eight months with Russia, procured the release of the most prominent American detained abroad. Gri…