Jeff looks to the United Kingdom to find out if gun control actually works and gets an update from El Paso on this weekend's shooting; Local realtor Pennie Carroll discusses whether a drop in interest rates actually impacts the real estate market in Central Iowa and she identifies the hottest properties this summer; Jeff Monosso of Fox News Radio explores the background of the alleged Dayton shooter; Des Moines Register food writer Brian Taylor Carlson highlights some amazing dishes that will be featured at this year's Iowa State Fair. Click to hear hour two of Need To Know With Jeff Angelo for 8/5.