In a posting to its Facebook account, Radio Shack is warning customers that its stocks of iPhone 4 will be severely constrained. “The demand for iPhone 4 has far exceeded expectations across the industry. Due to limited supply, we will do our best to help you understand what to expect on launch day,” the company says. “In some cases, stores that took requests will not receive the iPhone 4 on June 24. We are sorry for any confusion…
