text:  Euphoric Republicans attending their national convention in Wisconsin have officially endorsed Donald Trump as their party's candidate to win back control of the White House in November. Mr Trump greeted rapturous supporters with fist pumps, the gesture he used moments after a bullet grazed his ear in Saturday's attempt on his life. He sat beside Senator J.D. Vance, the man he had just named as his running mate. Here's Nomia Iqbal.