Donald Trump has callously thrown around accusations of treason aimed toward his political rivals — others think the president's actions are worthy of the charge. Treason is a high bar to prove in the US, but in Ukraine, a presidential treason conviction was announced earlier this year. And it has lessons for American democracy, experts say.

Nuclear treaty serves diplomatic and domestic goals for US and Russia, but changes little in strategic relationship.
Unrest in the Central Asian nation of Kyrgyzstan may endanger a US military base key to operations in Afghanistan.
Since Mexico City has legalized both abortion and gay marriage, these have become politically-charged issues in Mexico.
Military veterans barnstorm America by bus, campaigning for clean energy and ending US dependence on foreign oil.
Global efforts to eradicate Guinea worm disease close to success, but cases still exist in Southern Sudan.
Animator Sanjay Patel, an artist at Pixar who's worked on "A Bugs Life" and "The Incredibles," tries his hand at Hindu mythology.
Europe's single currency inched up after EU leaders agree to bail out debt-ridden Greece, with the assistance of the IMF.
Q-fever, a bacterial infection transmitted by goats, moves from farms to larger population in the Netherlands.
A new law passed in Turkey makes it a criminal offense for a woman to go abroad for artificial insemination.
Young American soldiers back from Iraq and Afghanistan struggle to find employment in a jobless recovery.

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