>> maybe i'm old fashioned but i i mean that. >> reporter: or there's this skit from schumer's comedy central show about a new diet and exercise plan. >> then before you can say slap shaft they knock it out of your stupid mouth. >> reporter: compare that to kathleen madigan. >> you have enough money to pay a man to stand there and literally slap [ bleep ] out of your mouth. >> reporter: we asked but no comment from madigan's camp.

and billionaires buy elections. my campaign is funded by over two and a half million small contributions. people who know you can't level the playing field by taking more money from wall street. i'm bernie sanders, and i approve this message. join the fight

insurance companies spent millions against her... ...but hillary didn't quit until eight million children got health care. i've never been called a quitter and i won't quit on you. she's got what it takes to do the toughest job in the world. i'm hillary clinton and

comment from madigan's camp. liebman told us, i believe it was an honest mistake. but in the comedy world, accusations of joke-stealing are no laughing matter. >> they're very self-policing sort of community of artists. and your jokes are your krurncy. >> reporter: schumer is defending herself online and on the airwaves on the jim norton advice show podcast. jokes. and i wanted to come and talk to you about it and clear my name.