US President Barack Obama will meet with NATO Secretary General Jens Stoltenberg at the White House on April 4 to discuss the ongoing fight against IS, the migrant crisis and the upcoming NATO Summit, dpa reported. At the meeting Obama will reiterate that the US "stands together with NATO in the wake of the horrific terrorist attacks" in Brussels, where the NATO headquarters is based, according to a White House statement. The two will discuss preparations for the July 8-9, NATO Summit in Warsaw, Poland, "including Allied efforts to reinforce deterrence in Europe, address instability on Europe's periphery, and strengthen NATO's base of capabilities and partnerships."