They have their illegal alien nannies do it for them.
How the Saudis Run America
"Recent raids by federal agents on prominent Saudi-funded Muslim institutions suspected of funding terrorists and Islamic Jihad Chief/University of South Florida professor Sami Al-Arian, were precipitated by a lawsuit filed by former Federal prosecutor John Loftus. Loftus lawsuit, as well as U.S. government warrants and affidavits, say that the Saudis laundered over $1.7 billion to terrorist operations via the Northern Virginia Muslim umbrella groups. Even more frightening, one of the groups, Graduate School of Islamic and Social Sciences, conducted the U.S. Government-authorized training of Muslim chaplains for the U.S. military and prisons--all while it laundered money to terrorists."