One of the world's largest marijuana festivals, which is expected to be held this week on tribal land outside of Las Vegas, has been facing a possible shutdown for the past two weeks, according to a letter sent by federal officials earlier this month.

U.S. Attorney Daniel Bogden, based in Las Vegas, sent a Feb. 16 letter to the Moapa Paiute Tribe reminding the tribe that the transport, possession, use and distribution of marijuana is illegal under federal law. The marijuana trade show and festival, planned for March 4 and 5, would be in violation of that law, according to the letter obtained by the Reno Gazette-Journal.

Attorney General Jeff Sessions says he does not like recreational marijuana becoming more prevalent in the U.S.

“Most of you know I probably don’t think America is going to be a better place when more people of all ages and particularly young people start smoking pot,” he told reporters at the Department of Justice (DOJ) Monday, according to Politico.

As the senseless prohibition of cannabis wanes, a booming industry has emerged across North America, complete with handy apps for our Androids and iPhones that help better our experiences with marijuana. We think the five cannabis apps listed here are some of the best available, so make sure you have plenty of free space on your phone and get ready to download.

Medical marijuana is not legal in Utah, and may not be anytime soon. But lawmakers took a first step Monday to outline how it would be cultivated, produced and sold if it ever is made legal here.

The Senate Health and Human Services voted 5-0 to approve SB211, and sent it to the full Senate.

"This is a road map leading to medical marijuana," said Sen. Jim Dabakis, D-Salt Lake City. "We are getting it set up, getting it ready. And all we have to do then is have a quick vote — and we'll have the legal structure" to accommodate prescription pot.

eDocMMJ has emerged as a highly reliable resource for patients looking for marijuana to greatly improve their quality of life.

eDocMMJ, the platform that brings patents and doctors together and helps them establish healthy patient-doctor relationships, had emerged as the number one choice for medical marijuana doctors in Florida.

It remains to be seen what focused marketing will do to expand the diversity of people who use legal cannabis.

Advocates, investors and entrepreneurs believe that the profile of marijuana users will change now that cannabis is legal. They all have one thing in common -- wanting to make money from the new cannabis consumer.

Many of the cannapreneurs I’ve spoken with are hopeful that new business data will enable the industry to monitor the change in the color, age and socio-economic background of cannabis users. That’s not necessarily the case.

Beyond all the speculation, there are also some undeniable realities that have to be factored in.

Plumb will speak at TechfestNW this March 23-24 at the Portland Art Museum.

WW spoke with him in advance of his TechfestNW appearance about agriculture, medicine and the moon.

Are there other arenas outside of agriculture?

Another big subject is cannabis therapeutics—exploring some of the emerging technology allowing us to augment quality of life. We're able to bring chemistry and genomics into the equation to serve people into a specific fashion, working with seizure disorders, IBS, chronic pain, issues that occur if you're an oncology patient.

Colorado’s fearless leader believes legal weed just might be a better system.

Once a hardcore opponent of the marijuana legalization movement, Colorado Governor John Hickenlooper appears to be slowly changing his tune with respect to what it means to legalize the leaf for recreational use. In recent interviews, the governor of the first legal jurisdiction in the United States now says he’s “close” to giving it his full support.

A crucial part of President Donald Trump's rationale for building a wall along the United State's border with Mexico is that it would help to stop the trade of illegal drugs, including marijuana.

"I want to build the wall. We need the wall," Trump said at one of the presidential debates last year. "We stop the drugs. We shore up the border."