SAN JOSE, Costa Rica (AP) — The United States has revoked the visas of several board executives at La Nación, one of Costa Rica’s leading media outlets, triggering fresh accusations that the U.S. — in conjunction with the allied Costa Rican government — is stripping visas to punish critics and political opponents. In a statement that ran as the newspaper’s front page on Sunday, the board of directors said that the affected members first learned they had been stripped of their visas to enter the U.S. from reports in pro-government media. La Nación has long been a thorn in the side of outgoing Costa Rican President Rodrigo Chaves, a close ally of U.S. President Donald Trump who has agreed to accept up to 100 third-country deportees a month as part of the Trump administration’s efforts to ramp up deportations. The newspaper, which Chaves has berated since it published allegations of sexual harassment during his 2022 presidential campaign, said that the U.S. gave no reason for the visa revocations. The U.S.…