John McCain's latest TV commercial showing America that Barack Obama is not ready to lead this country. He is to naive and inexperienced. Plus my bonus video that John McCain got the idea for his commercial from. John McCain criticized Obama over his weekend statement that Iran "wouldn't stand a chance" at threatening the U.S. On May 18th Barack Obama said that Iran doesn't pose a serious More.. threat to the US or the World. Then on May 20th he said; "Iran is a grave threat," Obama said in Billings, Montana. "It has an illicit nuclear program, it supports terrorism across the region and militias in Iraq, it threatens Israel's existence, it denies the holocaust. Less..