The new Mars rover, an explosion at a border, John Bolton's book -- how closely did you follow the news this week? Take the UPI News Quiz for June 19, 2020. UPI News Quiz: Mars rover, border blast, John Bolton's book
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The new Mars rover, an explosion at a border, John Bolton's book -- how closely did you follow the news this week? Take the UPI News Quiz for June 19, 2020. 
