1.   Republicans make the obvious allusions, and Democrats like to think they can rely on him, he said.

2.   That warning will resonate through the story in many ways, but the most obvious allusion leaps out.

3.   The last phrase was an obvious allusion to Yeltsin.

4.   Vermeer is the obvious allusion, obvious from the poise, the silence, even from the pearls, like the ones Vermeer painted.