 I feel really good about the security situation here in Milwaukee. I don't anticipate any major changes with it. The intelligence agencies in charge of ensuring the security of the RNC insist they've seen no specific credible threats against the gathering, but... As you'd expect after the event yesterday, we've seen an uptick in social media chatter. Michael Hensel heads the Milwaukee FBI office. We also need the help of the public. If they see something during this time or feel uncomfortable with something, please let us know. Jim Ryan, ABC News, Milwaukee.