WASHINGTON (AP) — The Obama administration condemned the deadly shelling of a United Nations school in Gaza Wednesday, using tough, yet carefully worded language that reflects growing White House irritation with Israel and the mounting civilian casualties stemming from its ground and air war against Hamas. The U.S. frustrations were compounded by a flurry of Israeli media reports this week that appeared aimed at discrediting President Barack Obama and Secretary of State John Kerry, who spent days trying to negotiate an unsuccessful cease-fire between Israel and Hamas.Read more on NewsOK.com