A group of professors at Harvard Law School in Cambridge, Mass., has slammed the school's new sexual assault policy, saying it gives victims an unfair advantage. Darren McCollester/Getty Images hide caption

itoggle caption Darren McCollester/Getty Images

John Kelly speaks during a campus rally about sexual violence at Tufts University on May 1. Courtesy of Leah Mushkin-Pierret hide caption

itoggle caption Courtesy of Leah Mushkin-Pierret

California has become the first U.S. state to define when "yes means yes" in sexual assault cases on college campuses, after a bill sponsored by state Sen. Kevin de Leon was signed into law Sunday. Rich Pedroncelli/AP hide caption

itoggle caption Rich Pedroncelli/AP

Frostburg State University police officer Derrick Pirolozzi conducts a "knock and talk" at a house near campus, reminding students of laws on underage drinking and open containers. Jennifer Ludden/NPR hide caption

itoggle caption Jennifer Ludden/NPR

California state Sen. Kevin de Leon (D-Los Angeles) urges lawmakers to approve his measure aimed at curbing sexual assault on campuses on Thursday in Sacramento. Rich Pedroncelli/AP hide caption

itoggle caption Rich Pedroncelli/AP

NFL Commissioner Roger Goodell, shown here in January, has sent an open letter to NFL team owners explaining the league's new policies for preventing and punishing domestic violence and sexual assault. Andrew Burton/Getty Images hide caption

itoggle caption Andrew Burton/Getty Images

Dana Bolger, who says she was raped in 2011 while a student at Amherst College, co-founded a group that seeks to educate students about their rights under Title IX. Jennifer Ludden/NPR hide caption

itoggle caption Jennifer Ludden/NPR

One of many demonstrations highlighting what has been called a national epidemic of campus sexual assault. Wolfram Burner/Flickr hide caption

itoggle caption Wolfram Burner/Flickr

A White House task force on sexual assault at college campuses issued new guidelines Tuesday, asking colleges to survey students about their experiences. The task force was headed by Vice President Biden's office and the White House Council on Women and Girls, which is led by Tina Tchen. Carolyn Kaster/AP hide caption

itoggle caption Carolyn Kaster/AP