Depends on whose business you're talking about....

Think Progress:

“Three mortar rounds or rockets exploded Saturday in the Green Zone, wounding one person, a U.S. official said. The blasts occurred after British Prime Minister Tony Blair arrived there for talks with Iraqi leaders. Blair’s official spokesman downplayed the incident, saying there was ‘nothing to suggest anything other than business as usual.‘”

What's an explosion or two between colleagues? All in a day's work....