The US vs. China

In the first photo, taken in 1972, US President Richard Nixon made what was then considered a bold move, visiting Mao Zedong in Communist China. Literally, as well as figuratively, Chairman Mao is on the left and Mr. Nixon is on the right.

In the second photo, taken over forty years later, we have US President Barack Obama making a similar visit to China. This time, again literally as well as figuratively, Mr. Obama is on the left and Chinese President Xi Jinping is on the right.

Over the ens...