By Lisa Johnson Alberta Premier Danielle Smith is fighting criticism she’s being selfish and dangerous by risking a separation referendum in part to avert the emergence of a political rival. Smith says she doesn’t support separating her province from Canada, but says Albertans have genuine grievances with the federal government, and she wants concessions from Liberal Prime Minister Mark Carney. On Thursday in question period in the legislature, Opposition NDP Leader Christina Gray said Smith’s own words show she is jeopardizing national unity to bolster her own power. “Why is the premier dividing the country and our province just to avoid dividing her party?” The day before, Smith was asked on CTV News Channel if it wasn’t easier to quell separatism by taking it off the table. Smith responded, “If…