The American remains in hospital for observation, but both plan to reunite soon with their families.
An observation sometimes made about Summers is that he is lacking in people skills.
Barack Obama was not the first Liberal to make this observation.
late 14c., "performance of a religious rite," from Latin observationem (nominative observatio) "a watching over, observance, investigation," noun of action from past participle stem of observare (see observe). Sense of "act or fact of paying attention" is from 1550s. Meaning "a remark in reference to something observed" first recorded 1590s.