https://www.dekut.com/Entertainment/katie-couric-good-morning-america/ Katie Couric helped start and perpetuate morning television's most epic winning streak. Now she'll try to break it. ABC announced Thursday that the former "Today" show anchor will be guest host next week on "Good Morning America," the rival wake-up show that has been rising in the ratings. She will sub for the vacationing Robin Roberts for a week, teaming with George Stephanopoulos. Couric was co-host of "Today" in December 1995, when the NBC show's streak began. "Today" has won every week in the ratings since then, 850 consecutive and counting, according Read More to the Nielsen company..... Tue, 03 Apr 2012 03:56:58 UTC en