What We're Following This Morning

Updated on September 23 at 7:21 a.m. ET

This just in:

The papal visit: President Obama welcomes Pope Francis to the White House today. It’s the pontiff’s first visit to the U.S., and he will preside over  a canonization Mass—the first ever in the country—for Spanish missionary Junipero Serra. My colleague Emma has been covering the pope’s visit here.

An EU summit: Leaders of the bloc’s member states will meet to ratify a controversial deal that would set mandatory quotas for 120,000 migrants now in Europe. The EU’s interior ministers approved the deal on Tuesday despite strong opposition from Central European countries.

A baseball legend mourned:

Clinton email scandal: The Washington Post is reporting that State Department officials say they asked Hillary Clinton to turn over thousands of e-mails because they discovered she had exclusively used a private e-mail system. Clinton had said she handed them over in response to a routine request. Separately, Bloomberg News reports that the FBI recovered both personal and work-related emails that the former secretary of state said had been deleted. My colleague David has chronicled the various Clinton scandals here.

Sing it: “Happy birthday” is now in the public domain. A federal judge ruled that Warner / Chappell does not have a valid copyright to what’s arguably the most famous song in the English language.