What's the Kennection? #281

Houston's oldest airport is named not for weekend pilots and planespotters who might hang out there, but for what Texas political family?

In Arthurian legends, whose spells are broken when he's imprisoned in an enchanted tree by the Lady of the Lake?

What kind of toy does Mr. Banks repair with "tuppence for paper and string" in the last scene of Mary Poppins?

What "jump jet" with vertical takeoff and landing capability joined the Royal Air Force in 1969?

What's the golf term for scoring two strokes under par on a hole?

What's the "Kennection"?