David Hogg says he'll attend Harvard University in the fall

David Hogg, a survivor of the Parkland massacre and prominent gun control activist, said he will attend Harvard University in the fall.The 18-year-old tweeted the announcement Saturday, saying he plans to study political science.Earlier this year, Hogg graduated from Marjory Stoneman Douglas High School, the site of a mass shooting that killed 17 people in February.Nearly a month later, Hogg helped organized the "March for Our Lives" rally in Washington, D.C., drawing an estimated crowd of 200,0