Five months into the war with Iran, rising oil prices and stubborn inflation are driving mortgage rates to the highest level in a year.The average 30-year fixed mortgage rate climbed to 6.66% this week, the highest since July of last year, according to Freddie Mac. That's up from 6.58% last week, marking the biggest one-week jump in mortgage rates in 10 weeks. https://t.co/j1gDq8X1lw ...