THE beauty said to have had a fling with presidential hopeful John Kerry has recorded a bombshell tell-all interview. Journalist Alex Polier taped a talk with a US TV network at Christmas. The former Washington intern, 27, told all about an alleged fling with the 60-year-old super-rich senator in spring 2001. The channel is sitting on the tape until it has enough evidence to back her story. If the sex claims are true, they would shatter his White House hopes. Kerry, a married dad of two, has denied the fling. But Alex told pals she fled to Kenya on his...