Stand by for more Joe Biden than you knew you wanted. Two months’ worth.The aging VP, who turns 75 this month, begins his book tour today. I said, HE’S STARTING A BOOK TOUR TODAY! So, you’ll see and hear the loquacious retiree on the TV and radio shows of all the usual sympathetic suspects. Everyone will ask him about running for president in 2020. That’s the plan.Biden likes people talking about him running for president. He ran twice, quite unsuccessfully, as you may recall. One time he had a plagiarism problem. Then came 2008.Barack Obama, who had much more ambition...