AP FACT CHECK: Donald Trump on his tax returns

WASHINGTON — A claim from the presidential debate and how it stacks up with the facts:

TRUMP: "You don't learn a lot from tax returns."

THE FACTS: Donald Trump was explaining why he won't release his tax returns, although numerous other presidential candidates have done. And yes, one can learn quite a bit. Tax returns might not answer every question about Trump's finances, but they'd provide vital information about his wealth, taxes paid, tax avoidance efforts, exact amounts of real estate holdings and charitable donations that can't be gleaned from any other source. For these reasons, every major party candidate for the last 40 years has released at least a few years of recent tax returns.