kathy mendez saw his story and couldn't stop thinking about him and e-mailed him to find she was a match and she was, against all odds. >> and she said i am all in and i want to do this for you. i want to help you save your life. >> and i think that jim deserves to see his kids get married. i think jim deserves to hold a grandchild. >> jim, of course, calling kathy his hero and that helping him is the right thing to do. we, of course, will keep you updated on that procedure. >> and those two forever bonded. way to go. >>> and 5:08 now, and i'm jackie fernandez. coming up, concussion concerns. the nfl sees a big injury and what the league citizen behind the rise. >> and wiener doing -- and what has them running for their lives? this video. trust me. . >>> welcome back at 5:11, voters getting their say in the raise for the white house. surprises on both republican and democratic side. >> and good morning from iowa. where hawkeye voters spoke, giving ted cruz a victory over donald trump and bernie sanders and hillary clinton both have reason for a victory. iowa voters have started a politic