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After three years and more than $15 million in police expense, Scotland Yard says it's removing the guards that have waited outside the Ecuadorian Embassy in London for a chance to arrest WikiLeaks founder Julian Assange.

Instead of stalking Assange with an overt 24-hour presence, London's Metropolitan Police announced Monday, the agency "will deploy a number of overt and covert tactics to arrest him."

If legal marijuana were a movie, the $11 million that's estimated to have been taken in during Oregon's first week of retail sales would place it fourth on the list of U.S. weekend box-office receipts, right behind Pan.

Hillary Clinton and Bernie Sanders will face off for the first time on stage Tuesday night, along with fellow Democratic candidates Lincoln Chafee, Martin O'Malley and Jim Webb.

Both Clinton and Sanders have said they are running positive campaigns, but if their previous debate experience is any indication, that could change on debate night. In the past, both have shown a willingness to turn tough on their opponents.

Rebel groups that oppose both Syrian President Bashar al-Assad and terrorist group ISIS have formed a new coalition, called the Syrian Democratic Forces. Led by Kurds, the coalition could receive U.S. air support in Syria.

From Beirut, NPR's Alison Meuse reports for our Newscast unit:

"The Syrian Democratic Forces calls itself a unified national military, aimed at establishing a new democratic Syria. Members include Kurds, Arabs and Assyrian Christians. But those familiar with the group say it's led by the Kurdish YPG, the only partner the U.S. trusts.

"The ideal college is Mark Hopkins on one end of a log and a student on the other."

James Garfield, the United States' 20th president, supposedly said this about one of his former professors, a legendary educator and the president of Williams College from 1836 to 1872. It captures what feels like a ground truth in education: It's impossible to improve on the enduring value of a personal, one-on-one relationship between a student and a great teacher.