Travel developments have always been tough to predict accurately and now is no exception. Just as we thought summer would be a return to something like normal, Putin launches his reign of terror in the Ukraine and oil prices spike. Still, we can see a few trends that will affect travel this summer. 1. New Scam. Paul Hudson of FlyersRights experienced a new airline abuse. When his flight was canceled late one Saturday evening, the airline rebooked him on what it said was the next available flight, some 40 hours later on Monday evening. In checking, he found two Sunday flights with available seats, but one agent refused to wait list him on either flight and another offered to put him on a Sunday flight only if he bought a new ticket at the much higher last-minute fare. Hudson’s conclusion on that airline’s policy: If its next available seat is …