WASHINGTON — A study commissioned by President Barack Obama to assess the nation’s ability to respond to terrorist attacks and man-made and natural disasters has found that state and local officials have the most confidence in their public health and medical services but are the most concerned about whether agencies can respond to cyberattacks.

BAGHDAD — Iraqis still live in a nation where bombings are a nearly daily occurrence, government paralysis is routine and corruption is de rigueur.

When Major League Baseball officials examined the results of urine tests from the slugger Manny Ramirez earlier this season, they became suspicious. While the tests did not show clear evidence of a performance-enhancing drug, there were traces of banned substances present, enough to initiate a process that has now left one of the best hitters in baseball history with a 50-game suspension.