Hi Mahlon,
Are you able to give me a little more info here? If you create a new button/event and add a Conditional Statement to it (with no other actions) you wont see Action Result as a selectable value straight away, as none have been assigned from within this event just yet. If you then add any action which assigns an Action Result within this event, you should be seeing Action Result show up as a selctable 1st value once again.
Thanks Mahlon.
-Ben