Overview: Superstar Toby Keith kicked off his new Big Throwdown last week and CMT Insider gives viewers a front row seat to all the action at his Chicago show. Country star Terri Clark helped get the party started and host Katie Cook was on hand to join in the excitement. Country duo Montgomery Gentry recently earned their first No. 1 hit for ""If You Ever Stop Loving Me,"" and with a No. 1 hit, there's always a party. CMT Insider was on hand we'll take fans inside the celebration. America's best athletes are gearing up for their once-in-a-lifetime opportunity of representing their country at the 2004 Olympic games in Athens, Greece. When we found out two track and field athletes were big country music fans, we knew we had to wish them well. Correspondent Lisa Lee made a special visit to the Olympic training facility in Southern California to catch up with the hurdler Brenda Taylor and discus thrower Ian Waltz before they headed out and give them each a special gift from their favorite artists. As