what are the strikes of communications workers?
1955, southern bell telephone co., 1968, at&t, 1971, bell system, 1983, bell system, 1986, at&t, 1989, at&t, 1989, nynex, 1998, us west, 2000, verizon, 2011, verizon, 2012, at&t
how long was the 2012 at&t strike?
2 days