AT&T's high dividend yield is tempting for investors looking to generate income.AT&T (T 1.55%) is one of the most iconic stocks ever. The company's history stretches all the way back to the late 1800's, making it one of the oldest publicly traded American companies.In addition to its long history of existence, AT&T has also paid a regular dividend for more than 30 years. It's a decent one, too. The company's dividend is $1.11 per share annually, spread over four quarterly payments of $0.2775 per share.That ...