By Richard Rushfield, Los Angeles Times Staff Writer
When the two Davids do battle Tuesday night, they will face off in the most evenly-matched contest since the last two-boy finals, Season Two’s Ruben vs. Clay.
The oddsmakers are split, the pundits are divided and for the first time in years anyone could win.
But who will win
? We have broken the contest into its basic categories. Here is your guide on how to read the final showdown of Season Seven.