in tonight's "eye on earth," holly williams reports the worst flooding in half a century has left veniceep trouble. >> reporter: they call venice the floating city, crisscrossed by canals, for centuries it's been at the mercy of water. now, though, venetians say it's getting worse. venice floods dozens of times every year. most of the city is just four to five feet above sea level. but locals here tell us that this is not normal. st. mark's square is normally postcard perfect. this morning it was totally submerged, leaving venetians to clean up the mess and try to go about business as usual. the mayor of venice is blaming climate change and residents like miklos csillaghy agree. >> the world is generating climate change, and venice is one of those cities that's going to go first, so this is a big problem, and the world should act to protect it. >> reporter: st. mark's basilica, dating back nearly 1,000 years, was inundated yesterday, causing millions of dollars in damage. pierpaolo campostrini worshipped here as a child and is now in charge of protecting this historic treasure. when you

. >>> and holly williams is in venice, italy, which is partly under water after catastrophic floodingorter: here in venice, the worst flood in 50 years has caused hundreds of millions of dollars of damage, including two architectural treasures in this historic city. that story's ahead on "cbs this morning." ♪ introducing even more value from fidelity. fidelity now has zero commissions for online u.s. equity trades and etfs. and fidelity also offers zero account fees for brokerage accounts, plus zero minimums to open an account. and only fidelity offers four zero expense ratio index funds directly to investors. with all of those zeros, there are zero reasons to invest anywhere else. fidelity. ♪ so maybe i'll win ♪ saved by zero ♪ so maybe i'll win i don't make compromises. i want nutrition made just for me. but i also want great taste. so i drink boost for women. new boost women with key nutrients to help support thyroid, bone, hair and skin health. all with great taste. new boost women. pronamel repair can actively help repair weakened enamel. it takes minerals and it drives it deep i

holly williams has the latest from london this morning. holly, good morning. >> reporter: good morning. the attacker was named this morning as uzman kahn, a convicted terrorist who was jailed in 2012 for threatening to blow up the london stock exchange. he was released early and was on probation. the british media said he agreed to wear an electronic monitor. >> ladies and gents, keep the road clear -- >> reporter: he was a lone attacker armed with a knife and a determination to kill. in this exclusive video from the "daily mail,"" bystanders are seen fighting him back with fire extinguishers. they tackled him to the ground. an act of breathtaking heroism according to london's mayor. a plain clothes police officer removed his weapon, and the police shot him at close range. [ gunfire ] he was wearing what the police are calling a hoax suicide vest. thomas gray says he was one of those who stepped in. >> he was wielding two knives. one was duct taped to his hand. so all i could do after the guys had held him down and were pinning him to the g

holly -- highly specialized. it's very, very difficult in the current kind of mode of weapon systems production. digital series has the ability to change that. could you talk more about that aspect? william yeah, i think, i mean, : it's something i worry about. i worry every day about the fact that we've got our military industrial base that's separating from our u.s. industrial base, which go back in time to world war ii airplane and automobile weren't that different. so if we're going to think strategically about the future we probably need to change more to be like commercial innovators, to bring at least in a design level, the two halves of our nation's great industrial base. those doing commercial development and we'd like more of the commercial developers to work with us, too, -- work with us as well. there is a lot we need to do to work with that. i am much or you can design everything this way for commonality but we're lucky in the air force that airplanes and i think satellites are amenable and i think that weapons are amenable to this because they're physically small and the assembly doesn't require a lot of, like, large equipment to do it. so, we should think ahead and not bec

williams walls a marine veteran and served as sheriff for nearly a decade. a grim discovery in the search for ufc fighter walton harris' missing stepdaughter. police believe they found the body of aniah hollylice make a third arrest in connection with to the case. david johnson jr. is charged with hindering prosecution. two others are also charged in blanchard's disappearance. the college student was last seen at a gas station last month. the emerald city wants more green. seattle passing an uber and lyft fee overnight hoping to raise an extra $25 million a year to board affordable housing. ride share companies will add extra 57 cents to every trip. cincinnati wants to raise ride share minimum wage to $15 an hour by next summer. a thanksgiving tradition happening today at the white house. one of the tuckerys will be pardoned by president trump. and the whowls i white house is asking you whether it should be bread or butter. don't worry, both birds will be spared. the turkey from a north carolina farm arrived in d.c. sunday and living their best life at the willard hotel which is a five star hotel. looks pretty cozy there. steve: just a block from the white house. i have a feeling they will