Related Clues:

• Kind of bulb or TV
• Eco-friendly bulb variety
• Was way out in front
• Christmas bulb, briefly
• Type of flat-panel TV screen
• Was in position to win the race
• Was just about to be the first to cross the finish line
• Acted as tour guide
• What an effective commander did
• Was at the front of the pack
• Championed
• Alternative to solid, liquid or gas
• About 55% of blood
• Was the guide for everyone
• __ light bulb