Boston Calling

At the center of the impeachment showdown in the US, is nearly 400 million dollars in military aid that the Trump administration temporarily withheld from Ukraine. At a US military base in western Ukraine, business goes on as usual but Ukrainian military veterans are worried that they may be losing support. President Trump has been a reluctant supporter of Ukraine, and he has called Ukraine a corrupt country on numerous occasions. Ukrainians are under pressure, as they fight to overcome corruption and continue to seek US support in their conflict with Russia. (US military personnel from the Wisconsin National Guard participate in a transfer of authority ceremony at the Joint Multinational Training Group-Ukraine base in Yavoriv, Ukraine. Credit: Daniel Ofman/The World)

A US hacker faces criminal charges for allegedly helping North Korea launder money through cryptocurrencies, but those who know him have a different story to tell. Also, President Donald Trump’s long obsession over tariffs; the long, tempestuous history of NATO; the fight against drug cartels smuggling narcotics across the US-Mexico border; plus the band Che Apalache wants to make bluegrass music more inclusive. (Photo: In this photo illustration a double exposure picture with bitcoin coin and American flag. Credit: Omar Marques/SOPA Images/LightRocket via Getty Images)

Some people identify as Native American based on family stories. There is a more respected way to check and it does not involve a DNA test. Also, a proposed law would give indigenous people in Canada more say over their own land; during World War Two the US government built Japanese internment camps on tribal land; how the Choctaw Nation helped the Irish during the potato famine; and rock music legend Robbie Robertson recalls his childhood visits to family on the Six Nations Reserve . (Photo: Native American dancers pose for pictures along the highway on May 11, 2018 in Cherokee, North Carolina. Located near the entrance to Great Smoky Mountains National Park on the North Carolina side of the Appalachian Mountains, and at the southern end of the Blue Ridge Parkway, the region is home to the Cherokee Nation band of Indians. Credit: George Rose/Getty Images)

Cooling down our addiction to air conditioning by building a more energy efficient AC. Also, it’s a “wind, wind, wind” for cargo ships powered by sails; engineering students in Los Angeles design quality-of-life solutions for refugee camps; a navigation app helps drivers get around Nigeria; the drive to thwart diseases like malaria and dengue by altering the genes of mosquitoes. (Photo: Air conditioning units in Antwerp, Belgium on Tuesday, July 23, 2019. Credit: Dirk Waem/AFP via Getty Images)

Impeachment hearings have entered the public phase in Washington DC. Congress is investigating allegations that President Trump withheld aid to Ukraine to pressure it to deliver political favours. But in Ukraine they are focused on the conduct of their president, Volodymyr Zelensky, in a now infamous phone call with Trump. Also, star basketball player Enes Kanter tells us how he became an enemy of Turkey’s president; a student suing the Trump Administration has her day in court; a controversial meme in the US gets a rebranding in Hong Kong; millennials tell boomers the world they have inherited is not okay; a song that got protesters in Lebanon to dance. (Photo: Members of the media gather as State Department deputy assistant secretary, George Kent and acting US ambassador to Ukraine, William B. Taylor appear for a House Intelligence Committee impeachment hearing in Washington, DC. Credit: Matt McClain/The Washington Post/Getty Images)