Francois Barcomb, a high school physics teacher from New Paltz, has the lead after Thursday's first round of the two-day finals of the "Jeopardy!" Teachers Tournament.Barcomb finished with $20,400. Conor Quinn, a world history teacher from Albany, was second with $5,600 and Sara DelVillano, a music teacher from Lanham, Md., was third with $4,800.The player with the highest two-day total wins $100,000 and a spot in the next "Jeopardy!" Tournament of Champions. [...]