NEW : The trio -- two American and two Russians -- returned to Earth morning . A spacecraft has undocked after jumper cables helped fix a glitch . Their return was delayed by a day after an undocking glitch , NASA said . Cmdr says the delay happened after hooks and latches on the docking port did not release .
NEW : The trio -- two American and two Russians -- returned to Earth morning . A spacecraft has undocked after jumper cables helped fix a glitch . Cmdr says the delay happened after hooks and latches on the docking port did not release .