Now, on Governors Island, a new test looms that may prove even more daunting.
Early tests of personnel choices can loom large at this stage of an Administration, especially when it has not yet compiled a record of other achievements.
A major test looms only three days after the Soviet leader leaves, when West Germans will elect delegates to the European Parliament.
And President Clinton's proposed national tests in fourth-grade reading and eighth-grade math, while tabled by Congress for further study, still loom.
The first test looms of Boris Johnson's determination to protect the London skyline.
Ms. Murren suggested everyone rub them, because a test on Yellowstone loomed after lunch.
Other tests loom larger.
He has "that most oppressive of feelings - that some test was looming."
As that test looms, the West's main interest lies in fostering China's march to capitalism.
But an even more potent test of American fealty to principles of fair competition, and to international trade law, looms on the horizon.