Samsung cut it too close with safety margins on the Note7's design, report says

More than two months after the launch of ill-fated Note7, we still don't know what caused the batteries in some of the devices to overheat and, in some cases, explode.  A new report by Instrumental, a company that helps tech companies fix manufacturing issues, suggests that the reason behind the Note7 issues was Samsung pushing the boundaries of the design a little too far.  SEE ALSO: Jet Black Samsung Galaxy S7 may be coming to soothe your Note7 blues More precisely, Instrumental &mda