Washington (AFP) – US President Joe Biden — who pledged transparency around his personal finances while in office — and his wife Jill Biden reported a bit more than $600,000 on their federal tax returns for 2021, the White House said Friday. The couple paid $150,439 in taxes on $610,702, for a tax rate of 24.6 percent, the White House said. In publishing their tax information, the president and first lady — the first to work outside the White House, as a professor — are bringing back a custom dating back to the 1970s but interrupted by previous president Donald Trump. Vice President Kama…