Billionaire was a zero in aftermath of terror attack In the aftermath of the 2001 terror attack on the World Trade Center, Donald Trump, a billionaire son of New York City, did not make a single charitable donation to any of the not-for-profit groups that provided aid to survivors, rescue workers, or the families of cops and firemen who died trying to save others, Internal Revenue Service records show. While business moguls raced to write seven-figure checks and schoolchildren emptied their piggy banks, Trump’s charitable foundation--the vehicle through which the Republican presidential candidate’s philanthropy trickles--apparently did not feel the need...