Legal justification to attack Iran?
There is no legal justification whether in the US constitution or the 1973 war powers act or international law that gives any kind of justification for the president of the United States to independently and unilaterally send troops into harm's way and attack into another country point blank doesn't have that authority.
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If Iran has the fiscal material protected somewhere and if they have the ability to reprocess steel somewhere, whether that's at Fordo or Busher or Nance buried deep underground, somewhere else that then you're not going to destroy Iran's capacity to make a nuclear weapon at some point. You may set it back, you may make it difficult, but you can't destroy it. The guy also on the Iranian TV said "Listen they've assassinated a number of our leaders and a number of our scientists but we have hundreds of them and we have the resident power or the knowledge banks so whenever a time of our choosing we'll simply act on it if we choose to go into the nuclear weapon program, so if they think they're going to destroy our capacity the Israeli side is mistaken".