May 3, 2016 10:34 am Goat On The Go: Students' 3D-Printed Wheelchair Gives Goat Mobility A two-legged goat is able to walk for the first time thanks to a group of high school students in Roanoke, Virginia. US & World Videos 2:27 Mother speaks out after school shooting threat in Milton 0:39 Police respond to incident in Whitinsville 2:31 Billerica police sergeant killed in crash honored at funeral 2:05 MIT monitors pair of opposing protests on campus 3:41 Cool air to linger over Boston into the weekend