A Texas man who launched an aggressive campaign to prevent former President Donald Trump from appearing on the ballot in 2024 has been arrested on tax fraud charges. John Anthony Castro, who himself is running for president as a Republican, asked the Supreme Court last year to disqualify Trump, citing the 14th Amendment. The court declined to hear the case, so Castro took his effort to states across the country, filing over two dozen challenges to Trump’s eligibility, The Hill reported. Castro’s argument — that Trump is ineligible under the constitutional provision barring those who have “eng…