Should the PMO have authority to stop projects?

Last Thursday was the second PMO Flashmob in Birmingham.  We met on a wetter than expected night in Le Truc in the Arcadian and took over a corner of the bar to discuss PMO roles and job titles.  I’d gone prepared with several sets of laminated cards to play ‘agree the hierarchy’ and ‘what role does what activity?’ to get the conversations started.  But, as often happens in the Flashmob, the conversations were off and running and kept going throughout the night without the need for any prompts from me!  Here are a few of the discussions: