A series of 1931 newspaper ads touted the latest comfort for rail passengers on the B&O's Columbian line. Baltimore & Ohio Railroad ad hide caption

itoggle caption Baltimore & Ohio Railroad ad

Back in October 2010, Democrat Jim Oberstar was running for his 19th term in the U.S. House. But he'd voted for the Affordable Care Act and was beaten that November. Today, he says the Supreme Court's ruling that upheld the act is "vindication in spades." Julia Cheng/AP hide caption

itoggle caption Julia Cheng/AP

Trainees with Royal Dutch Shell learn to deploy oil spill booms in the waters near the port of Valdez in Alaska. The company is training about 200 spill responders. Richard Harris/NPR hide caption

itoggle caption Richard Harris/NPR

To get their summertime fix, sponge candy lovers on the shore of Lake Erie have to plan in advance. Melisa Goh/NPR hide caption

itoggle caption Melisa Goh/NPR

European countries have agreed to stop importing Iranian oil as of Sunday. This could make it harder for Iran to find markets for its crude. Iran has been filling up tankers off its coast, but analysts say it could run out of storage capacity. This photo shows oil tankers off Iran's coast in January. Kamran Jebreili/AP hide caption

itoggle caption Kamran Jebreili/AP