Donald Trump on Saturday hit back at critics who question whether he should be entrusted with nuclear weapons, saying he would be the "last one" to ever authorize their use. "Believe me, I would be the last one to use nuclear," Trump said at a rally in Windham, N.H. "Because I understand what it represents. I understand what it means." Trump's comments came after a report earlier this week that the GOP presidential nominee had asked a foreign policy adviser repeatedly why the U.S. could not use its nuclear arsenal. The claim was made by MSNBC host Joe Scarborough on "Morning Joe" Wednesday. Trump's campaign denied that report, with spokeswoman Hope Hicks telling The Hill "there is no truth to this" earlier this week. But the claim played into charges from Trump's critics that he is not knowledgeable about foreign affairs and unprepared to oversee the nation's nuclear weapons. Trump on Saturday also pointed to the Obama administration's Iran deal, saying it would make the world less safe. "When they do a deal like the Iran deal. What they are doing really is allowing nuclear to happen. That's what's going to happen. They are allowing it to happen." The left for this whole last week has turned Trump into this absolute war monger who would be willing to use nukes, which is a power Trump is willing to understand should he become president. What we should all fear is Hillary Clinton having that button under her finger, because of her absolute failure with the military when she was secretary of state. One thing that Trump is willing to talk about is our nuclear arsenal, because a willingness to talk about it should be discussed by every presidential candidate. Now I would personally worry about Hillary Clinton willingness to use them, because of her unwillingness to talk about our nuclear arsenal we have in America. Hillary would be that president who put her hands on over her face and just presses the button to get the world at war to profit off of it in the future. At least Trump is honest about our nuclear weapons, which means we as a nation should trust him more at the controls...Because Clinton is unwilling to talk about them or what she would do, should make us all worry because her unwillingness to discuss probably means her finger is highly activated to toss nuclear war heads at about just anyone....maybe even the homeland.