plus, economics correspondent paul solman tests out holiday gifts that can help people create betterhabits and win the daily struggle between naughty and nice. >> you have yourç hershey's ki. now what do you want, another one. >> yes. >> you go back. you reopen it. this is a nice product where i had my one hershey kiss. >> right, that's all we should have. >> and now you hear the lock and now you can't get anymore. >> sreenivasan: those are some of the stories we're covering on tonight's pbs newshour. >> major funding for the pbs newshour has been provided by: >> lincoln financial-- committed to helping you take charge of your life and become you're own chief life officer. >> supported by the john d. andç catherine t. macarthur foundation. committed to building a more just, verdant and peaceful world. more information at macfound.org >> and with the ongoing support of these institutions and... >> this program was made possible by the corporation for public broadcasting. and by contributions to your pbç station from viewers like you. thank you. >> sreenivasan: the president's policy

plus, economics correspondent paul solman tests out holiday gifts that can help people create betterhabits and win the daily struggle between naughty

newshour economics correspondent paul solman has the story. >> reporter: life in academia turns out to be different than what french professor professor and single mother nicole beth wallenbrock had in mind. >> ive been on food stamps for, i think, about 6 months. >> reporter: arik greenberg teaches theology at loyola marymount university. >> we are not given any kind of benefits; no medical; no dental; no vision; no retirement; no family leave; no sick leave; nothing. >> reporter: to support his family, rob balla drives to three different ohio universities to teach six english classes, and tutors on the side. he had pneumonia last fall, worked anyway. >> we go to school under any circumstances, really, because you cant afford to have your pay docked. >> reporter: these are adjuncts, part-time professors paid an average of 2-$3,000 per class with few to no benefits who now make up half of college faculties, a drastic change from just a few decades ago. >> in 1970, about 80% of the faculty were on the tenure track. >> reporter: but non-tenured faculty have become the rule, says educatio