Free agency left the Ravens with holes to fill as NFL draft nears, especially on the offensive lineBengals likely to look for an offensive tackle and runKenya’s military chief dies in a helicopter crashThe iconic American rivers becoming so filthy with pollution they are 'endangered'The number of Americans applying for jobless benefits holds steady as labor market remains strongFree agency left the Ravens with holes to fill as NFL draft nears, especially on the offensive lineWorkers at Mercedes factories near Tuscaloosa, Alabama, to vote in May on United Auto Workers union250,000 Afghan children need education, food and homes after returning from Pakistan, says NGOMariska Hargitay is mistaken for realREVEALED: NBC 'plans to put heart