...he didn't "bail," the campaign was effectively over. The only people who didn't know it were some "dinks" on the DP, who still thought Ron could win right up to the day of the convention. Nor did he "ride Romney's coattails." By his endorsement he neutralized all future criticism from the GOP of the sort "well he's not a real Republican, just like his Dad, he didn't even endorse the nominee...."
"Alas! I believe in the virtue of birds. And it only takes a feather for me to die laughing."