Observers say Putin is under pressure at home and abroad . U.S. officials : Russian troops moving closer to Ukrainian border . U.S. officials say pro-Russian rebels were responsible for shooting down that plane , but they say they now believe it 's likely Score: 6 The shootdown comes six days after Malaysia Airlines Flight 17 was brought down .
Observers say Putin is under pressure at home and abroad . U.S. officials : Russian troops moving closer to Ukrainian border . Score: 6 The shootdown comes six days after Malaysia Airlines Flight 17 was brought down .