Factbox: Quotes from first U.S. presidential debate

(Reuters) – President Barack Obama and Republican candidate Mitt Romney on Wednesday faced off in Denver in the first of three debates ahead of the November 6 election. Below are some highlights of what the two candidates said during the widely televised 90-minute encounter: FORMER MASSACHUSETTS GOVERNOR MITT ROMNEY On Obama’s economic plan: “I’m concerned that we’re on the path that’s just been unsuccessful. …