Crossword clues for Puzzle theme, with 37-Across 10 letters:PRESIDENTSPuzzle theme, with 37-AcrossLATINClassic language, and with 61-Across, hint to the puzzle theme found at the starts of 20-, 37- and 57-AcrossTREESite for this puzzle's theme (see 17-, 37- and 56-Across and 11- and 28-Down)ENDLESSLYOn and on ... or how to read 18-, 27-, 37- and 51-Across to understand this puzzle's theme?SECRETWith 37-Across, Election Day practice ... and a hint to this puzzle's themeDARKWith 37-Across, fall of Rome aftermath, and a hint to the puzzle themeFROMWith 37-Across, theme of this puzzle
