this morning on "world news now, up in the air, riders looking for a thrill at a popular amusement park got a lot more than they bargained for. they were trapped, suck for hours. hundreds of feet off the ground. it's thursday, september 20th. good morning, everybody, i'm john muller. and i'm sunny hostin. paul and rob are on assignment. and we'll get to that amusement park malfunction in just a moment. also ahead, the u.s. sends an unmistakable message to iran, joining an international show of force on the water and in the sky. and then on the eve of the iphone 5, the staggering amount of americans who have spent a lot of money fixing up their version of 1 through 4.