The unseasonably warm weather isn’t the only sign of an early spring. Roiled by the specter of Iranian oil cutoffs, gas prices are rising at a record pace, crossing the $4-a-gallon threshold in some parts of the country, and threatening to break an all-time high, experts say.

Fears of $5 per gallon gasoline are in the back of some motorists’ minds, jeopardizing the nascent economic recovery and fueling campaign rhetoric during a presidential election year.

Read the full story: chicagotribune.com.