Subhead:David Eby has acknowledged he lacks the constitutional authority to block a new pipeline, but is demanding compensation for environmental risk. Ezra Levant, Sheila Gunn Reid, and Drea Humphrey say no serious oil company will invest under those conditions.# YouTube-embed:e092qocIq0s B.C. Premier David Eby has finally acknowledged what constitutional lawyers have been saying for years: pipelines are federal jurisdiction and he doesn't have…