From NPR News in Washington, I am Louise Schiavone.Howard County, Maryland police have identified the man they believed killed two people and then himself at shopping mall Saturday.Authorities say he is a 19-year-old from College Park Maryland.Police Chief William McMahon saysthere still no known motive but they did find a journal at the accused gunman's home."There is journal and he does express some general unhappiness with his lifebut I really do not have other information about that now.That is something we are going to continue to work through."Authorities say the accused shooter was carrying ammunition and backpack with explosivesand they found more ammunition when they searched his home last night.President Obama is expected to focus on issues of bipartisan concern in Tuesday's state of the union.But as NPR's Nathan Rott reportsthere are still lots to debate.White House senior advisor Dan Pfeiffer talked to the Sunday morning talk shows, saying thatObama will focus on less decisive issues like income inequality, education, manufacturing and energy in this week's speech aimed in the next year.Then there is issue of upcoming debt ceiling.Pfeiffer says Obama still would allow their raising at debt ceiling to be used as the political bargaining chip.Senator Republican leader Mitch McConnell went on Fox News Sunday after Pfeiffer, saying thatObama should reassess their position."It is irresponsible not to use the discussion,the request of the president to raise the debt ceiling to try to accomplish something for the country."That same debate helped lead to the government shutdown last year.