May 20, 2008 - 10:04AM Democrat Barack Obama has become an honorary member of an American Indian tribe and promised a proactive policy to help tribal people if he wins the White House in November. The Illinois senator who is leading rival Hillary Clinton in their race for the party's presidential nomination, joined the Crow Nation, a tribe of some 12,100 members in Montana, taking on a native name and honorary parents in a traditional ceremony. Senator Obama, who would be the first black US president, was "adopted" by Hartford and Mary Black Eagle and given a name which means...