As authorities continue to investigate a crane collapse that rained thousands of pounds of steel debris onto a busy Manhattan thoroughfare Wednesday, the owner and operator of the failed crane are facing scrutiny over past safety failures. The tower crane, owned by New York Crane and Equipment Corp., was hoisting concrete to the 36th story of a luxury high-rise when a fire broke out in the machine’s cab, officials said. Two of the city's most disastrous crane collapses came over the span of two months in 2008, both involving cranes owned by New York Crane and Equipment Corp. Nine...