• U.S. President Barack Obama speaks during a news conference in the East Room of the White House in Washington, D.C., U.S., on Wednesday, Nov. 5, 2014.

    The U.S. Senate's new Republican leader and President Barack Obama have vowed to end political gridlock.

    LAST UPDATE : Nov 06, 2014, 7:32 AM EST
  • Kenyan medical worker from the Infection Prevention and Control unit wearing full protective equipment show on October 28, 2014, how to handle an infected Ebola patient on a portable negative pressure bed at the Kenyatta national hospital in Nairobi.

    The U.S. has praised Ebola-hit West African nations and foreign donors for their efforts in tackling the outbreak.

    LAST UPDATE : Oct 29, 2014, 3:05 AM EDT
  • U.S. President Barack Obama speaks to the nation about normalizing diplomatic relations the Cuba in the Cabinet Room of the White House on December 17, 2014 in Washington, DC.

    The U.S. president stated it is time to "cut loose the shackles of the past" after five decades of strained relations between the two countries.

    LAST UPDATE : Dec 17, 2014, 4:20 PM EST