Related Clues:

• Envoy's asset
• Expression of disgust about Scottish tourist trap? Tact is needed
• 'The ability to describe others as they see themselves,' per Lincoln
• Skilful handling's needed when imposing penalties on bridge players
• Curmudgeon's lack
• Politician's asset
• Diplomatic touch
• Careful handling
• 'The art of making a point without making an enemy'
• Dry sandwiches a cold delicacy
• Interpersonal finesse
• Lout's lack
• Diplomatic approach sees bill on time
• 'It is ___ that is golden, not silence': Samuel Butler
• Excellent ship backed by energy and skill