"if the battery in a mechanical mod over-discharges and the device doesn't contain enough air holes to allow the battery to vent, there is a risk of explosion." .
the senate included a provision similar to cusack's bill in its omnibus health care overhaul legislation passed last november, according to sen. .
u.s. first lady melania trump has been in the hospital for four days, with no word on exactly when she will be released. .international .
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