(From DCist contributor Zoe Mitchell) Things are mighty fiesty inside the Wilson Building again today and it has nothing to do with baseball. According to an inside source, three activists from MayDay DC have already been arrested, while another activist is occupying the building’s ledge again. The activists are upset at the closure of the Randall Shelter, which is up for final vote today during the last regularly scheduled D.C. Council hearing this session. Also,…