The student protest at University of Florida Thursday brought a diverse range of people of all ages, student groups, organizations, homemade signs and political perspectives to the campus. One such sign was of Meadow Pollack, an 18-year old senior at Marjory Stoneman Douglas High School, who was murdered in the 2018 shooting. A young "March For Our Lives" activist was photographed holding a piece of paper with Pollack's name, photo, and age. Typed underneath was "Parkland, FL" and "Mass Shooting." Pollack's father, Andrew Pollack, took to Twitter to voice his objections. "A @AMarch4OurLives activist is using a picture of my...