abc news reporter christiane cordero has the latest from capitol hill. >> tonight, president trump addresses the nation with a full house and senate seated together in the capitol. his speech the same day sweeping new tariffs take effect on goods from mexico, canada and china expected to increase prices at grocery stores, gas stations and car dealerships. the three countries account for almost half of all products shipped to the u.s. last year. >> he is rapidly going to find out, as american families are going to find out, that that's going to hurt people on both sides of the border. americans will lose jobs. >> canadian prime minister trudeau today countered with 25% tariffs on certain american goods, prompting a response from trump calling trudeau the governor of canada in a social media post, adding, quote, when he puts a retaliatory tariff on the u.s, our reciprocal tariff will immediately increase by a like amount. >> it is now estimated that the average american family in one year will pay $2,700 more because of the trump tariffs. >> house speaker mike johnson, who will be seated behin