A bronzed Joe Biden made a bizarre claim about inventing a computer chip during his make-or-break interview Friday. Biden, 81, would repeatedly respond to questions in a raspy, weary voice, often losing track mid-sentence and at times ignoring questions in an attempt to make occasionally outlandish claims about his record. The president at one point told George Stephanopoulos that 'we used to have 40 percent of computer chips. We invented the chip, the little chip, the computer chip. It's in everything from cell phone to weapons.' The president repeatedly rejected taking an independent medical evaluation that would show voters he...