Jared Kushner — the son-in-law of former President Donald Trump — has built a 10-figure investment fund made up almost entirely from foreign sources. His overseas business activity is starting to draw increased scrutiny from Congress as his father-in-law hopes to retake the White House in November. The New York Times reported this week on how Kushner’s firm, Affinity Partners, has amassed roughly $3 billion, 99% of which has come from overseas. Some of the largest chunks have come from foreign governments where the US government has a strategic interest, like Saudi Arabia, the United Arab Emir…