Following is a summary of current entertainment news briefs. "Argo" boosts Oscar chances with two weekend award LOS ANGELES (Reuters) - Iran hostage drama "Argo" won its second big award in two days on Sunday, boosting its chances of winning a best picture Oscar next month in a race that had been considered wide open. "Argo" won best cast ensemble, the top prize, at the Screen Actors Guild Awards, while Daniel Day-Lewis and Jennifer Lawrence took lead acting honors.