WASHINGTON — Fearing for his life, Josue Chube Choque remembers shouting that he was a journalist as protesters attacked him in Bolivia last month. The reporter was working for TV station Unitel, covering widespread protests by supporters of Bolivia’s former president as they blocked roads across the country. Choque said he received multiple hits to his body and face after being ambushed while covering confrontations between the police and protesters in the town of Mairana. “At some point we saw people coming from every side of the road. We were being ambushed — the police, other colleagues and me,” he