Dangerous heat and humidity will scorch several areas of the country, as temperatures in cities across the central and southern states could rise into the triple digits on Friday. Excessive heat alerts are posted in 21 states from coast to coast. Dean Reynolds reports on how Chicago is using green infrastructure to fight the extreme heat. Source

UEFA warned clubs that joining the “cynical project” based on self-interest would see them banned from playing in any other competition — domestic, European or global. Source

Day three of the RNC is underway. CBS News analyst and Republican strategist Frank Luntz joins CBSN anchor Elaine Quijano,CBS News congressional correspondent Nancy Cordes, CBSN political contributor Hogan Gidley and CBSN political contributor Leslie Sanchez to discuss the RNC so far. Source

Former candidate and Florida senator Marco Rubio voiced his support for Donald Trump via video at the RNC. Source

Governor of Wisconsin Scott Walker spoke to the RNC, insisting that “America deserves better.” Walker said America deserves better than Hillary Clinton and blames “liberal Washington insiders” for current national issues. Source

Entrepreneur Harold Hamm addressed the RNC on Wednesday night. He spoke about energy independence, job growth and terrorism. While bashing the Obama administration and Clinton, Hamm insisted Trump was the candidate to confront these issues. Source

Small business owner Michelle Van Etten spoke at the 2016 RNC. Van Etten spoke about living the American dream and said Trump is the only man who can protect the American future. Watch her full remarks. Source

Here’s a look at the top stories making headlines on the “CBS Evening News with Norah O’Donnell.” Source

Leslie Rutledge, Attorney General of Arkansas, slams Hillary Clinton while addressing the Republican National Convention. See her full remarks. Source

Dana White, the president of the Ultimate Fighting Championship, addressed the RNC in Cleveland on Tuesday saying “Trump is a fighter.” Watch his full remarks here. Source