Sunday's Tricky Crossword Has Space Theme Revealed Through Clueless Entries
• Intricate Sunday crossword puzzle with clever letter run theme going down grid • Theme answers are 10 unclued dashes, revealing common category in order • Solver initially confused by odd entries like “alumnws letter” and “ear _ ntry” • Theme slowly emerges as space terms in countdown order • Skillful, ambitious construction praised, with apology for state abbreviation clue