President Donald Trump warned Iran against reconstituting its nuclear program as he welcomed Israeli Prime Minister Benjamin Netanyahu to his home in Florida for wide-ranging talks. The warning comes after Trump has insisted that Tehran's nuclear capabilities were completely and fully obliterated by U.S. strikes on key nuclear enrichment sites in June. But Israeli officials have been quoted in local media expressing concern about Iran rebuilding its supply of long-range missiles capable of striking Israel. Now I hear that Iran is trying to build up again, Trump told reporters as he welcomed Netanyahu to his Mar-a-Lago estate. And if they are, we're going to have to knock them down. We'll knock them down. We'll knock the hell out of them. But hopefully that's not happening. Iran has insisted that it is no longer enriching uranium at any site in the country, trying to signal to the West that it remains open to potential negotiations over its atomic program. But Netanyahu was expected