Leader As A Liaison

In at least 250 words  

List the skills and abilities needed for effective boundary-spanning. Now describe how you can improve your skills and abilities for this leader behavior?

Describe an organization where you think a leader’s boundary spanning would be especially needed. Why is it needed?

Describe a situation you observed or heard about where a leader negotiated on a group or organization’s behalf.  Was the leader effective in the negotiation?  Could s/he have been more effective?  How?