When the US and Russian presidents shake hands in Helsinki on July 16, the travelling press corps will hang on very rumor, word, and gesture, and your Signal authors will pop up some popcorn.

Trump will surely feed the frenzy. He’ll say Crimea is rightfully Russian or repeat that Russia should rejoin the G7. He’ll drop jaws with a comment disparaging NATO. Or Ukraine. Or both. Putin will flash that tight smile that says, “I know a great joke, but you wouldn’t think it’s funny.” And as with Trump’s Singapore sit-down with Kim Jong-un, the real result will be less than meets the eye.

The US government maintains sanctions on Russia and support for Ukraine because the Pentagon and a bipartisan majority in Congress don’t share Trump’s urge to give Putin a hug. Congress has power to keep sanctions in place whatever the president says publicly, and Republican lawmakers know that new sanctions can be added in coming months without an embarrassing public fight with the White House.

Defense Secretary James Mattis will move forward with his plan to reinforce NATO troops in Poland and the Baltic states with a new NATO force of 30 land battalions, 30 aircraft squadrons and 30 warships that can deployed within 30 days.

Trump and Putin will each declare victory, but very little will change in relations between Washington and Moscow.

Ferrera Erbognone, a small town in the northern Italian province of Pavia, is home to one of the most cutting-edge computing centers in the world: Eni's Green Data Center. All of the geophysical and seismic prospecting data Eni produces from all over the world ends up here. Now, the Green Data Center is welcoming a new supercomputing system: HPC5, an advanced version of the already powerful HPC4. Due to be completed by early 2020, HPC5 will triple the Green Data Center's computing power, from 18.6 to 52 petaflops, equivalent to 52 million billion mathematical operations per second.

Learn more at Eniday: Energy Is A Good Story

Why is Instagram going to hide likes?

Well, one explanation is that they want to encourage healthy behavior and a like can make us addicted. Second explanation is that they get rid of the likes, they can get more of the cut in the market for influencers, who get money from advertisers, sometimes based on likes.

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This week, the process of impeaching President Trump entered the critical phase as the House of Representatives held its first public hearings. The battle lines are now drawn.

The Democrats say that there is compelling evidence that Trump withheld badly needed military to aid to an ally at war to pressure that country's government to provide him with personal political benefit by helping him discredit a political rival.

The Republicans say that the evidence comes mainly from witnesses with little or no direct contact with the president, and that the military aid was delivered to Ukraine without the Ukrainian president taking the actions Trump is alleged to have demanded.

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The fight for the Nile: In recent days, the Trump administration has tried to mediate three-way talks between Egypt, Sudan, and Ethiopia on their long-running dispute to access the waters of the Nile. In short, a 1929 treaty gave Egypt and Sudan rights to nearly all Nile waters and the right to veto any attempt by upstream countries to claim a greater share. But in 2011, Ethiopia began work on the so-called Grand Renaissance Dam on the Blue Nile tributary from where 85 percent of the Nile's waters flow. The project, due for completion next year, will be Africa's largest hydroelectric power plant. Egypt, which draws 85 percent of its water from the Nile, has made threats that raised fears of military action. We're watching as this conflict finally comes to a head early next year.

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