“Elsbeth” star Carrie Preston on playing “The Queen of Quirk”

Carrie Preston has played the quirky lawyer-turned-detective Elsbeth Tascioni in three popular series: “The Good Wife,” “The Good Fight,” and now in the comedic murder-mystery series “Elsbeth,” in which she helps New York City police solve crimes through unconventional means. Preston talks with correspondent Mo Rocca about how playing a paragon of positivity is like a miracle for her.