www.bhfs.com/insights/alerts-articles/2021/wyden-unveils-billionaires-income-tax
www.cadwalader.com/brass-tax/index.php?nid=45&eid=190
See also:
bit.ly/3pVnhqs
Update:
www.cullenllp.com/blog/house-ways-and-means-committee-releases-a-revamped-tax-proposal/