Prominent white supremacists are promoting, discussing and sometimes donating to, a crowdfunding campaign for two of Ahmaud Arbery’s murderers, Gregory and Travis McMichael. Arbery, a Black man, was murdered on February 23, 2020 while jogging in a Georgia neighborhood by Gregory McMichael, his son Travis and William Bryan. In the months since, both McMichaels and Bryan were convicted of hate crime charges and murder. In response, Gregory and Travis McMichael have filed separate appeals…