When she debuted on Mad Men last season, Megan Draper went from mere secretary to surprise spouse to Don Draper, and this season, she’s blossomed into a “Zou-Bisou-Bisou”-ing sex kitten who knows how to push all of Don’s buttons. How did Mad Men creator Matt Weiner conceive of Megan’s story line, and how did he find the fascinating Quebec-born actress who portrays her, Jessica Paré (who’s also on the cover of New York’s recent TV issue)?