Rep. Mike Gallagher, R-Wisc., walks down the House steps on Friday, September 30, 2022.Bill Clark/CQ-Roll Call, Inc via Getty Images In a Fox News appearance, Wisconsin Rep. Mike Gallagher renewed calls for a national ban on TikTok. Gallagher called the social media app "digital fentanyl" that is "addicting our kids." Gallagher and Sen.