The video of Sotloff 's execution was posted online Tuesday . Effort to defeat ISIS will take time and go beyond this administration , official says . `` We will not allow our enemies to hold us hostage , '' the Sotloff family says . Comment: ISIS video released Tuesday shows second beheading of a U.S. journalist in two weeks .
Effort to defeat ISIS will take time and go beyond this administration , official says . `` We will not allow our enemies to hold us hostage , '' the Sotloff family says . Comment: ISIS video released Tuesday shows second beheading of a U.S. journalist in two weeks .