A group of reporters are often referred to as a gaggle of reporters. Thus he would be gaggling, or grouping, with them for awhile. He thinks Rubio would not gaggle, or group with them like he does.
Christie calling Rubio bubble boy, gaggler (look up meaning of gaggler in Urban Dictionary)It is pretty nasty
Rush calling Rubio “full-throated” conservative
Subliminal programming?
Telling us without telling us?