A young entrepreneur was baffled when a Portland security guard thwarted her attempt to help her father pay for her braces by selling mistletoe - but told her she could beg, instead. Madison Root, 11, arrived bright and early at Portland Saturday Market, setting up a sign and basket next to the Skidmore Fountain in the downtown area to sell her wares to the crowds. ... Madison Root knew her upcoming orthodontic work would be expensive, and wanted to contribute. She spent Friday cutting mistletoe at her uncle's farm in Newberg, then wrapped it in clear cellophane and tied it...