QUOTE (Midas @ Feb 21 2012, 09:08 AM)
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For me Leadership requires the target to be open to taking orders from the leader to work, but YMMV. If (insert name of someone you think is a great and charismatic leader) walked up to a random person on the street and told him/her to go fetch a coffee, they almost certainly wouldn't (unless they were a big fan, in which case they are open to taking orders from said bigwig). And Aerospider's urchin would get a clip around the ear and told to mind his business, unless said urchin could give a very good and plausible reason they would want to delay their raid for another day (and that's starting to merge into Con in my book).
For me Leadership (Persuasion) is more skill at motivating someone to do a trivial onerous task and make them think that the rest of the group is relying on them to do the best job possible, or persuading someone that you are counting on them to undertake this dangerous job for the good of the group, or something similar. But like I said, YMMV.
So, using your example - which skill would you use if Mr. Shadowrunner goes up to Joe Schmoe on the street and tries to persuade Joe into going to fetch a cup of Joe?
Mr. Shadowrunner isn't lying or being dishonest, isn't offering something in return, isn't threatening Joe; he just really wants a cup of coffee.
"Hey, buddy - you've been standing there for a couple of minutes now. Can I ask a favor of you? I need to stand here and watch that car over there for when the owner gets back - I've been here for half an hour now, and I don't know how much longer it will take. Could you go round the corner and pick up my cup of latte? I've already paid for it and ordered it, but if I go myself and the owner gets back I'm toast with my Johns...umm my boss. The girl at the café is refusing to bring it out here. C'mon, what do you say? It'll take you two minutes, tops. Be a chummer!"Now, if Mr. 'Runner was offering a latte for Joe, or some form of compensation, I'd use Negotiation. If he was discreetly showing his gun and using tone of voice and body language, I'd use Intimidation. He's completely sincere and not trying to sweet-talk, so I don't see how Con could possibly apply.
Note that there is a modification under Leadership in the Social Modifiers Table:
Character is not part of the subject's social strata, and another
Subject has superior rank - how would you justify using those modifiers if the subject has to be open to taking orders from the character in order for the skill to apply at all?
Quick modifier calculations for your (and my) scenario:
[ Spoiler ]
Leadership(Persuasion):
NPC is neutral(0), Desired result is annoying(-1), Character is not part of subjects social strata(-2) - total -3 dice on the test, target resists with Leadership-Will.
Using Con:
NPC is neutral(0), Desired result is annoying(-1), Plausible-seeming evidence (car and proof of purchase of coffee)(+1) - total +/- 0, target resists with Con or Negotiation+Charisma.