Presence is a multi-faceted skill, representing attributes of leadership, reputation, and charisma. Presence is a measure of social toughness-- whether or not you'll flinch and lose face in front of others, and how your image stands up to scrutiny and/or attack. (Consider grabbing if you are a: artist, athlete, bartender, celebrity, designer, journalist, lawyer, operative, politician, spy, or Vanguard staff)
Useful against: Deceit, Intimidation, Investigation