Trista Chooses ... "The Bachelorette" picks poetic fireman in finale. ent_tv_bachelorette_rehn_trista.jpg 60x45 home http://abcnews.go.com/sections/GMA/videofiles/Video/030220bachelorette_video.ram 10457787273960 abcnews_free.gif lock_icon.gif superpass.gif http://abcnews.go.com/sections/GMA/videofiles/Video/030220bachelorette_video.ram 10457787273961 PLAY lock_icon.gif lock_icon.gif lock_icon.gif headline