HOUSTON (AP) — Former President George H.W. Bush got a hospital visit from another former president — his son.

A photograph was posted on Bush's Twitter account Thursday, showing him with former President George W. Bush. Both were smiling as the elder Bush spent another day at a Houston hospital where he's under observation after recovering from a mild case of pneumonia.

Family spokesman Jim McGrath reports no changes Thursday for the 92-year-old Bush. On Wednesday, Bush was said to be gaining strength and in good spirits.

He was admitted to Houston Methodist Hospital last Friday for treatment...