> the tunnel that connects the city to canada followed the m i municipmun municipality into bans resukrup. they said it's not the result of the recent detroit bankruptcy filing but the decline in population contributed to the tunnel's unmanageable debt burden. >>> one thing working for detroit is the auto industry and today consumer reports is calling the 2014 chevy impala the best new said dan and one of the best it tested two. cars have a better score than general motors newly designed impala, the hatch back and bmw 135 i coup. >>> earlier in the program we told you about amazon's quarterly results and a few weeks ago about the online retailers move into the big business of fresh groceries. tonight jane wells puts all that service to test. >> reporter: groceries are a 650 billion-dollar business but one category that's not been a big hit online yet. >> everybody wants bacon. let me start with that. >> reporter: amazon, the 800-pound gorilla of retail is joining a growing food fight expanding a grocery business. >> if you think about a 650 billion-dollar market, 10% of that is 65 billion