Left-leaning proponents of taxing the assets held by America’s billionaires have a new target: In lieu of a federal wealth tax, state lawmakers want to tax billionaires where they live, in states like California, Washington and New York. A group of legislators in statehouses across the country has coordinated to introduce bills simultaneously in seven states… The state legislators say they would like to try such ideas as a test case for future national policy while acting collectively to minimize the threat of people moving to a nearby lower-tax state. …said Noel Frame (D), a state senator in Washington. “…This is why we are all here together. No longer will states “get pitted against each other,”… Del. Jheanelle K. Wilkins (D-Montgomery),…said…“That’s quite a bit of funds that we’re leaving on the table.”