Deadly news helicopter crash likely caused by shaky inspections, leading to loose parts, feds sayTwins put Buxton on injured list with inflammation in troublesome knee; antsy Lewis still rehabbingBoeing threatens to lock out its private firefighters around Seattle in a dispute over payMoscow accuses Lord Cameron of 'threatening European security' over remarks giving Kyiv goA tornado hit an Oklahoma newsroom built in the 1920s. The damage isn't stopping the pressesSevere weather: Houston braces for flooding to worsenSafety lapses contributed to patient assaults at Oregon State Hospital, federal report saysSettlement could cost NCAA nearly $3 billion; plan to pay athletes would need federal protectionReign snap 5NBA conference semifinal preview capsules