emira, thank you so much. >> thank you. >>> and coming up, looking at the impact of immigration policies on service members and veterans a. mexican-born u.s. army veteran going to testify before a judiciary subcommittee right here on c-span3. reminder you can watch our coverage online on c-span.org or you can listen live with the free c-span radio app. >>> thinking of participating in the c-span student cam 2020 competition, but you have never made a documentary film before? no problem. we have resources on our getting started an students pages to get started and for producing information and links for the library. teachers will find materials on the student page to introduce the student cam to students. >> my advice for anybody who wants to compete this year, find a topic that you are passionate about and pursue it as much as you can. >> this year, we are wanting you to introduce a short documentary for the subjects that you want the candidates to address. c-span will address ata