Last month, the federal government sided with Colorado in a lawsuit filed with the U.S. Supreme Court by Oklahoma and Nebraska, which claim that Colorado's marijuana laws should be dismantled due to residual harm being caused across state lines. Kansas hasn't joined the suit, but its attorney general, Derek Schmidt, appears to be gathering evidence that would bolster the case being made by these states.

Last month, the federal government sided with Colorado in a lawsuit filed with the U.S. Supreme Court by Oklahoma and Nebraska, which claim that Colorado's marijuana laws should be dismantled due to residual harm being caused across state lines. Kansas hasn't joined the suit, but its attorney general, Derek Schmidt, appears to be gathering evidence that would bolster the case being made by these states.