but the brothers focus on what their organization focuses on during these seminars is very much just the fiscal issues. >> quick final question. ten-second answer. do the brothers necessarily agree on how they see the world? >> not only necessarily do they not, but they might not agree on who they see as the best presidential candidate in 2016. >> ken, like any other brothers i imagine. thank you for being here. >> all right. when we come back they called chris kyle the legend the most successful american sniper ever weather lots of incredible stories. but many of them just don't check out. we'll talk with a man who helped him write "american sniper" next.