applying for black lung benefits. >> reporter: linda adams' husband tony died three years ago. she's now applying for black lung widow benefits. >> you supported donald trump for this election? >> i did. i did. >> but if obamacare goes away? >> if obamacare goes away, we're going to be in a world depression. >> reporter: today, adams devotes her life to helping others apply for benefits she hopes will survive even if obamacare is abolished. her enormous expectations now squarely on president trump. >> if he don't come across like he promised, he won't be there next time. not if i can help it. >> reporter: trump's future opposition already taking shape if jobs don't return and obamacare benefits vanish. miguel marquez, cnn, kentucky. >> miguel, thank you very much for that. coming up, they said rock and roll was a passing fad back in the '50s. tell that to legendary rock group chicago. i met with them in omaha,