Even with half the nation having legalized medical marijuana, motorists from legalized states are still facing police scrutiny in states where the laws are otherwise.

Even with half the nation having legalized medical marijuana, motorists from legalized states are still facing police scrutiny in states where the laws are otherwise.

As the rest of the world watches President Barack Obama and Congress play tug-of-war with a U.S. Supreme Court nominee, the marijuana industry is paying close attention to the man at the center.

As the rest of the world watches President Barack Obama and Congress play tug-of-war with a U.S. Supreme Court nominee, the marijuana industry is paying close attention to the man at the center.

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.

OKLAHOMA CITY – Marijuana legalization advocates praised the U.S. Supreme Court’s refusal to consider a lawsuit initiated by Oklahoma and Nebraska challenging Colorado’s recreational and medical marijuana laws.

Oklahoma and Nebraska plan to continue to press the U.S. Supreme Court for permission to sue Colorado over its marijuana laws, despite objection from President Barack Obama's administration.

Nebraska Attorney General Doug Peterson said he plans to continue to press the U.S. Supreme Court for permission to sue.

The U.S. Supreme Court did not make a decision Monday on whether to hear a lawsuit brought against Colorado over marijuana legalization.

The U.S. Supreme Court did not make a decision Monday on whether to hear a lawsuit brought against Colorado over marijuana legalization.

President Barack Obama's administration asked the U.S. Supreme Court on Wednesday to throw out a lawsuit filed by Oklahoma and Nebraska seeking to block Colorado's voter-approved law legalizing recreational marijuana use by adults.

After a year of debate, the country's top justices decide not to hear a case claiming Colorado's pot legalization has negatively impacted law and order in neighboring states.

The Supreme Court was scheduled to confer over a major marijuana case Feb. 19 but has postponed the meeting due to late Justice Antonin Scalia’s memorial ceremony at the Supreme Court falling on the same day, according a SCOTUS Blog report.

The U.S. Supreme Court declined on Monday to take up a lawsuit filed by two of Colorado's neighboring states over its legalization of marijuana.

The U.S. Supreme Court declined on Monday to take up a lawsuit filed by two of Colorado's neighboring states over its legalization of marijuana.

2016 was the biggest year in the history of marijuana, and there were many moments that were worthy of being the ‘top moments.’