Obama's source for Pres. Rutherford B. Hayes

Obama doesn't know much about history. He claimed that President R B Hayes saw a telephone and couldn't imagine a practical use for it. But, indeed, Hayes installed the first telephone in the White House.

See Fact Check.

Scott Johnson of Power Line Blog discovered Obama's source of info - Mystery Science Theatre 3000
The robot Crow T. Robot reads from his essay on President Hayes:

“In 1876, Hayes beat Bill Tilden in a three-set quarterfinal at Flushing Meadows, which caused the Electrical College to declare him President of the United States.”

Follow the link to see the video.