No, Donald Trump's tax avoidance is not normal

Since The New York Times published three pages from Donald Trump's 1995 tax filings, there has been some pushback from right-of-center economics writers, arguing there's nothing necessarily untoward about using a huge business loss to wipe out tax liabilities across many years.
Bloomberg's Megan McArdle, for instance, argues that Trump's 1995 tax records reflecting a $916 million loss show "good tax policy at work."
McArdle's argument is roughly as follows: if Trump