. >>> hi, i'm tavis smiley and join me next time with harvard's david armridge and a.c.> and by contributions to your pbs station from viewers like you. thank you. - today on america's test kitchen, julia shows how to make perfect black bean burgers, jack challenges chris to a tasting of store-bought vegetable broth, and becky prepares supergreen soup with lemon tarragon cream, right here on america's test kitchen. america's test kitchen is brought to you by dcs. dcs: manufacturers of professionally styled indoor and outdoor kitchen equipment.

. >>> hi, i'm tavis smiley and join me next time with harvard's david armridge and a.c.> and by contributions to your pbs station from viewers like you. thank you. >>> good ooef evening from los angeles. i'm tavis smiley and last year americans chose a political outsider when they elected donald j. are trump the 45th president of the united states. he ran a highly unconventional campaign for sure, and since he has taken office he has broken all kinds of political norms. tonight, a conversation with john dean, the former white house counsel to richard nixon and he argues that president tr trump's rule breaking is beyond unorthodox, but down right going to test our democracy. we en thank you for joining us, and insight fful conversation coming up with john dean in just a moment.