BY BRIAN HAMILTON Alcoa completed its seventh consecutive Class 3A championship run last December, defeating East Nashville 45-14. The Tornadoes now hold the longest streak of TSSAA championships in the common era. Believe it or not, however, Alcoa is only halfway to breaking the nation record of consecutive state titles, as St. Louis from Hawaii won 14 straight from 1986 through 1999. South Dakota’s Sioux Falls Washington has also been credited with 14 straight from 1951 through 1964, but during that day and age, many of those titles were viewed as mythical. Regardless, Alcoa seemingly has a stranglehold on Class …