By Stephanie Rogan
The author is a Reuters Breakingviews columnist. The opinions expressed are her own.
Europe is currently conducting two stress tests. One is on its energy suppliers, to see how badly they would fare if Russian gas was disrupted. The other is on euro zone banks, to ensure they are strong enough to finance economic recovery.
Oil traders who bet on rising prices were hit with a double whammy on Tuesday in the way of announcements from the top two energy data agencies. The still-nascent U.S. shale energy revolution is upending eons-old geopolitical events and it still seems to be in the early days.