Related Clues:

• Soldier's period of service
• Fox News contributor Karl
• Promotional trip
• -- of duty
• Emulate a vagabond
• Go from gig to gig
• Rock group's trip
• Travel by bus, say
• Give in to wanderlust
• Be a drifter
• Cover lots of ground
• Take in the sights
• Act the gadabout
• One way to promote a book
• Take the act on the road