Mil. secretary/confidential assistant, 3 letters
Big planning on Madison Avenue, 10 letters
Madison Avenue blitz, 10 letters
Series of battles within the last two millennia?, 10 letters
Commercial debuts, for example?, 12 letters
It's written for commercials, 6 letters
Words from Don Draper, 6 letters
Increasingly intrusive come-ons, 7 letters
Widening of marketing venues, 7 letters