What We're Following This Afternoon

Supreme Court affirms ‘one-person-one-vote’ standard: The case, Evenwel v. Abbott, as Matt reported, was brought by two Texas voters who challenged the apportionment of Texas Senate districts. The ruling was unanimous.

Panama Papers, cont’d: Iceland’s prime minister is refusing to step down amid growing calls for his resignation over allegations he didn’t declare an interest linked to his wife’s wealth. Sigmundur Gunnlaugsson, one of several world leaders named in the leaked documents, insists no rules were broken.

Senegal takes Guantanamo inmates: Two Libyans—Salem Abdu Salam Ghereby and Omar Khalif Mohammed Abu Baker Mahjour Umar—are being transferred to the west African country. The two Libyans were unanimously approved for transfer by six U.S. government departments and agencies.

An airline merger: Alaska Airlines is buying Virgin America in a deal worth more than $2 billion.

News from the morning here