The national retail average for a regular gallon of gas was $4.457 on Monday. That's a 1-cent increase from Sunday, according to the American Automobile Association, and 35 cents more than last Monday. At this time last year, a gallon of gas was $1.29 cheaper. The surging prices seemed to stabilize or even decrease for about two weeks, following a temporary ceasefire agreement between the U.S. and Iran that has been indefinitely extended. However, the Strait of Hormuz, a vital shipping route where roughly a fifth of the world's oil passes, has effectively remained closed or extremely limited to passage...