If you want to know what the country thinks about President Joe Biden’s agenda, look at how they vote. Not at the ballot box. But with their feet. Earlier this month, the Census Bureau released data on “net domestic migration.” This tracks where people are moving between counties in the country. Last year, the 10 counties that gained the most through net migration had one thing in common – they were conservative counties that voted for Donald Trump in 2020. At the other end of the spectrum, all 10 counties that saw the biggest negative net migration also have one...