Former President Bill Clinton on Wednesday used part of his speech at the Democratic National Convention to hit back at the notion that Republican presidents were better on the economy than Democratic presidents. In particular, Clinton pointed to the record of job creation since the end of the Cold War under both Republican and Democratic presidents. “You’re going to have a hard time believing this, but so help me, I triple-checked it,” Clinton said in the speech. “Since the end of the Cold War in 1989, America has created about 51 million new jobs. I swear I checked this three times. Even I c…