Lara Logan reports from the outskirts of Mosul, Iraq where she and her crew narrowly escaped a suicide bombing; Dr. Jon LaPook goes to Puerto Rico, where thousands of pregnant women were infected with Zika, and into the labs of the National Institutes of Health where a Zika vaccine is being developed; Steve Kroft hears from pollster Frank Luntz ahead of Election Day and finds that most voters across the nation are just plain angry.
