mcclatchy newspapers. you have an investigative piece, finding an increase in cancer rates among veterans. what type of data did you look at, what period, how did you discover this rise? guest: thank you for having me on. i have been hearing from veterans about the number of cancer clusters they have experienced, people they have served with, family members. we look at the data behind those personal stories to see if what they were experiencing personally was reflected in the data. through a freedom of information request, we looked at every cancer billing through the v.a. system over a stretch of time and we found increases. 23%, liverncer is up cancers is up 96%. once we have this data, we went back to the veterans communities and asked, did you think happened? host: what happened? guest: a lot of these veterans think it is toxic exposure. talkedvious a guest about the burn pits. iraq and across afghanistan, things were burned from human waste to ammunition and soldiers breathe this in day and night. it

mcclatchy newspaper national military and veterans reporter tara copp will be here to discuss her recent investigative piece about the increase of cancer rates with veterans. this is veterans day. there is a shot of the tomb of unknowns. we will continue on washington journal, focusing on veterans. we will be right back. ♪ >> here is a look at some books being published this week. former u.s. ambassador nikki haley chronicles her time serving in the trump administration in her memoir, with all due respect. counterterrorism analyst malcolm nance argues the trump administration has compromised national security. a diplomatic correspondent profiles four american diplomats who chose to serve in the middle east following 9/11 in the ambassadors. in a taken for granted, a fox on howrticipant argues both political parties can work toward reform. also being published this week in all hell breaking loose, we examined climate change. he provides an account of his time as a navy seal from the right kind of crazy. how -- afterrts on disinvestment and white flight. look for these titles in bookstores