Could we spy a traversable wormhole in the Milky Way's heart?

Scientific American interviews Dejan Stojkovic about a forthcoming study in which he and a colleague detail a test to determine whether Sagittarius A*, the supermassive black hole at the center of our galaxy, harbors a wormhole. If such a wormhole does exist, the researchers say, any stars lurking at its other side would conceivably exert a subtle but detectable gravitational influence on those at our end.