Dontae Johnson, 49ers' 4th-round pick, comes with smarts

Daily 49ers blog for NBC Bay Area website: Fourth-round 49ers' pick Dontae Johnson is a bigger-than-average corner who also played safety at N.C. State, and graduated with a double major. http://www.nbcbayarea.com/news/sports/Niners-Hope-to-Score-With-Fourth-Round-Cornerback-259072611.html