our service members, especially considering that they are being sent to do something completely different, not to interdict people at the border but to add support, perhaps build fencing and aid with the department of homeland security's existing effort, but president trump is just trying to refocus the attention in the last few days before the election on immigration. trying to gin up concern and fear among his supporters. and with two rallies today in west virginia and indiana, it's likely we will hear more and more of that, but for republicans, especially the ones facing competitive races in certain districts, suburban districts, the message of the economy is one that they would much rather be talking about, jim and poppy. >> straight up violates the rules of engagement. abby phillip at the white house. >> thanks. joining us now, cnn military analyst, lieutenant colonel mark hertling. you're the perfect voice to have on this. what do you say to the president saying respond to rock throwers