 Importantly, we're a fellow American. Mr. Biden acknowledging the deep differences in both parties and insisting the nation cannot solve its debates with violence. Andy Field, ABC News, Washington. The former president is in at Milwaukee. The Republican National Convention is opening despite the attack in Pennsylvania. Let's continue our team coverage there in Milwaukee with ABC's Jim Ryan. Thousands of GOP faithful have come here to approve a platform and to nominate Donald Trump as their standard bearer on the November presidential ballot.