Possible Clues:

• ___ Spiegel (German news magazine)
• -
• Falco hit “___ Kommissar”
• '___ Spiegel' (German magazine whose name means 'The Mirror')
• Das or die alternative, in German
• ___ Tagesspiegel (German daily)
• Article written by Einstein?
• The, to 67-Across
• Article written by Martin Luther?
• "___ Kommissar" (1980s hit)