>> reporter: overshadowed by donald trump and slipping in the polls, wisconsin governor scott walker unveiled his freedom plan to replace the affordable care act. >> on my very first day as president of the united states i will send legislation to the congress to once and for all repeal obama care entirely. >> reporter: walker would replace it with several popular gop alternatives and reforms. tax credits for private health insurance, block granting medicaid to the states, letting people shop for insurance across state lines and more. he'd pay for it with medicaid savings and by eliminating $1 trillion in taxes. >> i may not be the flashiest of the folks. i may not have the pizzazz of people on the east and west coast. i hope you see not just here in minnesota but across america i think like you think. i'm willing to stand up against anyone to get the job done. we're not intimidated. >> reporter: louisiana governor bobby jindal accused walker of embracing medicare by tying it to age "it is frankly shocking that a republican candidate for president would author a cradle to grave plan like this."