US Secretary of State Rex Tillerson, his wife and two other family members, accompanied by a small security detail, toured the museum's permanent exhibit.
Israelis praised President Trump's action against Syria, but the long-term consequences are still unclear.
Nir Barkat was returning to the school a year after his address there was drowned out by pro-Palestinian demonstrators.
Syrian President Bashar Assad accused Israel of supporting the rebels in Syria's more than five-year civil war, saying it is equal to a Syrian-Israeli war.
The father, who is under house arrest, denies knowing about what his son was doing, but does not deny that his son carried out the threats.
A homemade bomb filled with shrapnel killed at least 10 in St. Petersburg and was detonated after Russian President Vladimir Putin had arrived in his hometown for a visit.
"Those who identify as Zionist cannot be feminist because they are ignoring the rights of Palestinian women."
The 59-year-old Borough Park resident was trying get the boys "to come back to his apartment for all these sex things,” a police source said.
Donor-advised funds are supposed to give philanthropists more choice — until federations set limits.
A Palestinian woman who had not told U.S. immigration authorities that she had been imprisoned in Israel for two terror attacks accepted a plea bargain that forces her to leave the country.