Complex sentence: Many law schools had policies denying campus access to recruiters from employers who did not comply with their antidiscriminations policies, and, objecting that the "Dont ask, don't tell" policy was discriminatory, refused to permit military recruiters on-campus.
Split into simpler sentences: Many law schools had policies denying campus access to recruiters from employers who did not comply with their antidiscrimination policies. Objecting to the military's "Dont ask, don't tell" policy as discriminatory, the schools refused to permit military recruiters on-campus.