What does President Obama have in common with his immediate White House predecessor?
Both men spent a disproportionate amount of their first terms making appearances in battleground states, Brendan Doherty, a political scientist at the U.S. Naval Academy, writes in a post on The Monkey Cage political-science blog.
The U.S. men's swimming team has won the 4x200m freestyle relay, in a race that also gave Michael Phelps a record 19 medals in the Olympics. He netted his 18th, a silver, earlier in the day.
Update at 4:05 p.m. EDT: For the relay final, the American team swam in the fourth lane, next to their greatest rivals, the French, who posted the fasted qualifying time. The French are led by Yannick Agnel, who soundly defeated Ryan Lochte and others in the men's 200m freestyle Monday.
A voluntary moratorium on certain experiments involving forms of bird flu altered in laboratories should continue until there can be more public discussion of safety concerns, a prominent government official told flu researchers at a meeting in New York City Tuesday.