While the Democrats spin endless fantasies about supposed collusion between Trump and Russia, the corruption is pandemic on their side of the aisle. The fortune that Nancy Pelosi has amassed clearly hasn't come from her Congressional salary. So where has it come from? There needs to be a full, searching, serious investigation of Pelosi's finances, but there won't be, because her fellow Democrats are as corrupt as she is, and Congressional Republicans are spineless wimps and RINOs.
"Nancy Pelosi Earned Fortune on IPO Stock Through 'Illegal' Insider Trading," by Jay Greenberg, Neon Nettle, February 11, 2019 (thanks to Christian):
Nancy Pelosi earned a fortune buying IPO stocks using "illegal" insider trading techniques that would result in years of jail time for the average person, a newly resurfaced investigation found.