Today's edition of quick hits:
* Flint: "President Barack Obama is planning to visit Flint on May 4 to spotlight the city's lead-contaminated water that has deprived the city's 100,000 residents of reliable access to drinking and bathing water."
* Related news: "A key figure in the Flint water crisis has been killed -- a young mom who was one of the first to sue after her baby boy came down with lead poisoning."
* A case we've been following: "Supreme Court justices on Wednesday seemed highly skeptical of former Virginia governor Robert F. McDonnell's 2014 corruption conviction for actions he took on behalf of a businessman who provided his family with more than $175,000 in benefits."
* It's a changing military: "When Capt. Kristen M. Griest made history last summer by becoming one of the first two women to graduate the Army's legendarily difficult Ranger School, she made her intentions clear: She was considering joining a Special Operations unit. Now, she has accomplished another first with some similar demands: becoming the U.S. military's first female infantry officer."
* Rio's Olympics start in 100 days. Consider the local turmoil: "Brazil's president is facing impeachment. The country's economy is in sharp decline. Bodies of water that will be used for Olympic competitions are polluted, and global public health officials are trying to tamp down the Zika virus epidemic."
* This should never have been so difficult: "The United States is finally about to get an ambassador to Mexico. Senate Republicans who have been negotiating a way to confirm Roberta Jacobson as the nation's top diplomat to Mexico have reached the contours of an agreement that would allow Sen. Marco Rubio (R-Fla) -- Jacobson's chief obstacle -- to secure renewed sanctions against Venezuela in exchange for lifting his objections."
* Cotton's antics do not go unnoticed: "The White House blasted Arkansas Sen. Tom Cotton for how the Republican lawmaker used his opposition to the nuclear deal with Iran, the U.S. and other world powers in an appropriations bill Wednesday."
* What a shame: "Las Vegas Review-Journal columnist John L. Smith resigned from the paper on Tuesday, after the paper prevented him from writing about casino owners Steve Wynn and Sheldon Adelson, whose family owns the Review-Journal."
Anything to add? Consider this an open thread.