Republican politicians are embracing the term "Christian nationalist." Georgia Rep. Marjorie Taylor Greene called for the GOP to promote the ideology multiple times in recent weeks. The Washington Post reports the Justice Department is investigating former President Donald Trump as part of its criminal probe into the Jan. 6 insurrection. Attorney General Merrick Garland told NBC this probe is "the most wide-ranging investigation in [department] history."President Joe Biden tested negative for COVID this week. He used his recovery as an opportunity to promote vaccines, citing the mildness of his illness compared to that of his predecessor, Donald Trump.Meanwhile, the matter of where the COVID-19 pandemic began has been settled: the virus' origin has been pinpointed to a wet market in Wuhan, China.Pope Francis apologized to indigenous communities in Canada over the church's past abuses of Native people. However, the Pope's decision to don a headdress on the trip has raised eyebrows in the communities to whom he and the Church are trying to apologize.We cover the most important stories from the week during the News Roundup.Want to support 1A? Give to your local public radio station and subscribe to this podcast. Have questions? Find us on Twitter @1A.