Students estimated the chance that President Clinton would be convicted or acquitted in the U.S. Senate impeachment trial, at 4 points in time: (a) 22 days before the verdict (distal pretest), (b) 3 days before the verdict (proximal pretest), (c) 4 days after the verdict (immediate posttest), and (d) 11 days after the verdict (delayed posttest). Within-subjects analyses revealed that both foresight and hindsight changed over time. With respect to foresight, the perceived likelihood of conviction significantly decreased and the perceived likelihood of acquittal significantly increased between the 2 pretests. Content analyses of archived national news reports supported the notion that media predictions about the impending vote produced this temporal shift toward greater prospective accuracy. Confirming hypotheses, hindsight bias emerged for estimates of the prior probability of conviction, but not for estimates of the prior probability of acquittal. Within-subjects analyses revealed that 4 days after the ve...