North Korea claims it successfully conducted hydrogen bomb test. (NBC News)
H-bomb: more powerful than Hiroshima bomb, fits on missile. (AP)
SC Gov Nikki Haley to give the Republican response to the State of the Union address. (AP)
Rep. Steve Israel, a top House Democrat, won’t seek reelection. (New York Times)
Sheriff says steps being taken to end militants’ occupation of federal compound. (The Oregonian)








