If you see Joe Biden’s picture on a gas pump these days, it’s not a tribute to his amazingly successful energy policy. The stickers — with Biden pointing to the $3.50 a gallon gas price and saying “I did that!” — are part of a Republican guerrilla campaign to undermine the Democratic administration. They’ve gone viral online. And it’s cheap and easy. A 100-pack of the stickers is going for just six bucks on Amazon. Read More You might see the derisive stickers up in New Hampshire, the swing state Biden is set to visit on Tuesday to promote his...