economics correspondent paul solman reports. >> oh, prices has gone way out of control. >> reporter:e south end senior center in hartford, connecticut, rising prices have seniors like 67-year-old hyacinth yennie feeling the burn. >> you look at your electrical bill, you look at your gas bill, you look now-- especially now, food bill. it's ridiculous. >> i like hamburger. >> reporter: retired utility worker mark demaio. >> it's up a dollar a pound. so, i cut back. >> reporter: in kennerdell, pennsylvania, where backwoods broadband is intermittent? >> i live in the country, that happens sometimes. >> reporter: 34-year-old hannah schall says she c't cut back on formula for her nine-month-old. but the price... >> it used to be, you know, $35. now we're paying $50. so that's $15 in nine months. that's crazy. >> reporter: and in greenville, south carolina, schall's fellow millennial, non-profit development manager amanda rice, got a rude awakening in december shopping for a used car. >> so, i didn't realize how expensive it was until i saw the 2021. i was like, hold on, that's around the s

paul solman has the latest. >> reporter: a normally free -flowing u.s.a trade artery, choked to a standstill by protestors, many from the u.s., calling themselves the "freedom convoy." it began in late january, in response to a rule imposed by both countries that truckers be fully vaccinated to cross the border. it's day five of protests at the bassador bridge, the key transit point which connects windsor, ontario to detroit. truckers have shut down the ro. >> we want freedom-- freedom of all mandates-- and that's what we are fighting for. we are canadian, and we want to be free canadians. >> reporter: canada is our biggest trading partner-- bigger than china-- and the ambassador bridge is the busiest u.s./canada border crossing. a quarter of all trade between the two countries flowing across this one bridge. a key economic problem? auto parts deliveries, stalled; manufacturers ford, toyota, g.m., forced to scale back production, or entirely shut down plants. michelle krebs is an analyst with "autotrader." >> this is very significant because, for one, it

for the pbs newshour, paul solman. >> woodruff: it's often said that there's no place like home.printed? only a handful of people in the u.s. currently live in these types of houses. but, some believe this will soon change because of 3-d-printing technology's potential to reduce construction times and costs. stephanie sy reports >> sy: april stringfield has been laser-focused on a single goal for much of her adult life. >> i used to work two and three jobs because i was determined that i was going to get a home. from home health care, to motel, i did a call center. i just kept my fingers crossed, kept doing what i'm doing, working hard, saving money. >> sy: with the help of habitat for humanity, stringfield, her 13-year old son azayveon, and their dog tink, moved in to a house in williamsburg, virginia two months ago. a house of her own. >> getting something i always wanted to see a dream come true. still in shock, just a little bit. that it is finally true. >> sy: the house is unique. this is not just any ordinary home. >> right, yes, it's a 3-d printed. >> sy: a 3-d printed hom