HBO's "Last Week Tonight with John Oliver, which premiered last April, has consistently shown itself to be a Daily Show-level contender for the humor-news crown. Up for discussion on the show last night: the myriad ways major poultry producers exploit chicken farmers. Also featured in the video: Arkansas Republican Rep. Steve Womack, who gets plucked and roasted for placing a rider on the agriculture appropriations bill that forbids the USDA from enforcing already-written protections for the nation's poultry farmers.