Low-and-slow buffs will find lots to love at Boise's new barbecue trailer, Urban Smoke. Parked in a lot at Franklin and Five Mile roads, Urban Smoke is run by husband and wife team Amy Bell and Joe Bailey. "I've been backyard barbecuing for a long time and we just decided to start this. ... I quit my 9-5 job; I worked for the water company for four years and I was a foreman for a construction company for 12," said Bailey. "I quit all that and gave it all up and did this." Bai