I think the Huffington Post article is not representative, but awful if she really was treated like that. I have found USA customs officials to be friendly and courteous, whilst doing a through job. They ask curious questions, but that's ok with me. I love visiting America, especially the west coast and New England. They're not all stereotypical gun-toting red-necks! The majority are just like us - peace-loving, hard-working family people who like a good laugh. 
No fun being old under Andy Burnham .
Is there an ultimate beginner guide on FPV?
How to get help putting suitcase on the conveyor belt at airport check-in


