Lottery officials admitted today that they knew ticket sales would not cover an advertised $8 million Lotto Texas jackpot this month, saying they used the higher number to keep players interested in the game. The Texas Lottery Commission set an estimated jackpot for the June 8 Lotto Texas drawing even though staff reports estimated sales could only cover $6.5 million, Product Manager Robert Tirloni told commissioners today. "At the time that we did these estimations, I felt that it was critical for the long-term health of the game for the jackpot to increase if there was no jackpot ticket sold,"...