In Estonia, President Obama reacts to a question about murdered journalist Steven Sotloff. (AP Photo/Charles Dharapak)

The Week

ISIS beheads a second U.S. journalist, Ukraine prematurely announces a cease-fire, and more

1. ISIS video shows beheading of a second U.S. reporter
The Islamic State in Iraq and Syria (ISIS) released a video Tuesday showing the apparent beheading of American freelance journalist Steven Sotloff, who was kidnapped in Syria in August 2013 and appeared in the video of fellow American journalist James Foley’s murder last month. In the new clip, verified as authentic by U.S. intelligence, a masked figure said the killing was in retaliation for the U.S. air campaign against ISIS in Iraq. President Obama said Wednesday that the U.S. would “not be intimidated” by ISIS’ acts of “barbarism.” [The New York Times, Los Angeles Times]

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2. Ukraine announces a long-term truce, then retracts it
Ukrainian…