* "Life's a Tripp" follows single mom to LA and back
* Palin says viewers will see her real self
* Producer calls it "no-holds-barred look" at Palin
By Jill Serjeant
LOS ANGELES, June 15 (Reuters) -
Bristol Palin says she is just a "grounded, normal mom", and is hoping her new reality TV show will prove it.
"Life's a Tripp", which premieres on the Lifetime channel on Tuesday, June 19, is being promoted as an inside look at the life of "America's ...