<p>The U.S. intelligence community is nearly ready to conclude the Islamic State or an affiliate is behind the downing of the Russian passenger jet over Egypt, two top members of the House Intelligence Committee said Sunday.</p><p>“Until it’s final, we can’t say,” Rep. Peter King (R-N.Y.) said on ABC’s “This Week.” “But, right now, all the evidence points in that direction, yes.”</p><p>And an airline or airport worker likely placed a bomb on the plane, added Rep.