What We're Following

Good morning. Here’s the latest:

Obama in Alaska: The president begins a three-day visit to Alaska today to call for action to tackle climate change. On the eve of his visit, Sally Jewell, the interior secretary, announced that Mount McKinley,  the tallest mountain in North America, will once again be called by its native name, Denali. Update: More here.

Migration: The European Union has called for an emergency summit on migration to deal with the increasing flow of people into the region.  The announcement comes days after the bodies of 71 migrants were discovered in an abandoned truck in Austria, and after hundreds of migrants were killed when their boats capsized in the Mediterranean. Update: More here.

US Open: Serena Williams, the top seed, begins her quest for a calendar-year grand slam at Flushing Meadows. She faces Vitalia Diatchenko, a Russian who is ranked 86th. Update: More here.