President-elect Obama will enter the White House with sky-high approval ratings and hopes of a dour, but optimistic, electorate on his shoulders, according to a new poll. The Hart/McInturff poll, conducted by Democratic pollster Peter Hart and Republican pollster Bill McInturff, shows two in three voters have positive views of the incoming president, and 45 percent feel very positively about Obama. That is higher than at any point before, and about 10 points higher than the previous high, recorded just before the election. Just 16 percent have negative feelings toward Obama. The poll was conducted among 1,009 adults between Dec....