 Congress provides for detention of both categories within the same statutory grant of authority.Accepting the majority's interpretation, then, there are two possibilities, neither of which is sustainable.On the one hand, it "may" be that the majority's rule applies to both categories of aliens, in which case we are asked to assume that Congress intended to restrict the discretion it could confer upon the Attorney General so that all "inadmissible" aliens must be allowed into our community within six months.