i m on my way to meet a taco authority who s gonna show me his new favorite. so i m meeting my friend ricardo. he s the reason i even know mexico city. the first time i ever came to mexico city was because of my friend ricardo. and he s also the guy who introduced me to my husband. he always knows the new hot spot. like, if it just opened, he s already been. and today, he s showing me a new taco place, and i am always up for a new taco place. - hola. [laughs] - how long have i been coming to mexico city? - for 17 years now. - that s how long we ve known each other. don t you think the food scene has changed? - oh, it s changed a lot. everything s changed. - well, remember when i would come, and i said the only thing i want to eat. - tacos? - is tacos. - yeah. - and we would go to all the little stands. - yeah. - but now it s like tacos have gotten fancy. - and now this place is like it s a high-end chef. - yeah. - doing, like, street tacos. why don t we go eat some tacos? - yeah, l