Obama, Netanyahu trade banter as they tread a new "red line"

TEL AVIV (Reuters) - Differences between U.S. President Barack Obama and Israeli Prime Minister Benjamin Netanyahu over setting a "red line" for Iran's nuclear project were never a joking matter.

Until now, when both leaders uncorked some rapid fire one-liners during Obama's tour of a partially U.S.-funded anti-missile system that he inspected after a red carpet welcome ceremony on Wednesday at Tel Aviv airport.