The aircraft-maker Antonov is the closest thing Ukraine has to an industrial 'national champion' that might achieve worldwide success. But the hurdles it faces are many.
Many in Kiev doubt the cease-fire in the country's east will hold given the gulf between different sides on the political steps needed for a lasting peace.
Moscow's support for a still-shaky deal may aim to forestall further European and American sanctions.
NATO's plans for a 'rapid response' force, in combination with the Kremlin's intention to declare NATO an 'adversary' of Russia, could inadvertently spur open conflict.
The announcement is a major step away from the rebels' previous demand for wholesale independence from Kiev, and opens the door for a federal autonomy for east Ukraine.
Russia and Ukraine are at loggerheads over unpaid gas bills. If they can't come to terms, Europe could be left out in the cold this winter – literally.
Russian casualties in Ukraine could lower support for the war in Russia, where the public supports the rebels, but has no interest in getting directly involved.
The two presidents, feeling pressure on both sides of the Ukrainian-Russian border, met on the sidelines of a regional summit today in Minsk.
Experts say that the aid, combined with a new rebel offensive in Donetsk, strengthen Putin's bargaining position ahead of tomorrow's possible meeting with Poroshenko.
Shutting down three McDonald's restaurants might seem a symbolic blow to the US. But McDonald's Russia is a successful Russian-owned and -operated company.
Russia's dueling shipments of humanitarian aid to refugees and arms to rebels in Ukraine go toward the same end, experts say: leveraging a peace on Kremlin terms.
Finland has never been able to extricate itself economically or politically from the mood swings of the giant next door, and it's already taking a hit from the latest crisis.
Putin today ordered the government to create a ban on 'agricultural products, raw materials and food' from any country that has supported sanctions against Russia.
Most of the displaced are in Russia – and putting strains on facilities and infrastructure there, say the UN refugee agency and local Russian officials.
Experts say that Russia's military buildup near Ukraine's borders is not a pending invasion but a bid to rattle Ukraine forces. Among Ukrainians, evidence of war-weariness appears to be growing.
Though new Western sanctions on finance, energy, and other sectors will hinder Russia's long-term growth, economists say, the country will not suffer any short-term effects.
Human rights advocates say Sergei Udaltsov and Leonid Razvozzhayev, each of whom were sentenced Thursday to 4-1/2 years in prison, were railroaded by Russian authorities to deter civil activism.
Many leading foreign policy advisers to Putin say that Ukraine is merely an excuse for US-led sanctions, and that Washington is bent on 'regime change' in Russia.
In a security meeting today, Putin said Russia would try to rein in Ukraine's rebels. He also effectively told media and politicians that the country is not under Western siege – and to stop repeating that claim.
Vladimir Putin has few options to deflect the wave of outrage from a world that increasingly sees Russia as responsible for separatist malfeasance in eastern Ukraine.