Sen. Jeff Flake, R-Ariz., shown on Capitol Hill on April 23, voted against a bill expanding background checks on gun sales, which has upset some of his constituents.
J. Scott Applewhite/AP
Gondolas have long played a part in the Venetian tourist experience. But as tourism has grown and the local population has declined, everyday gondolas called traghetti have all but disappeared. Above, a group of tourists poses on a canal, circa 1900.
Hulton Archive/Getty Images
The Senate on Monday approved a bill to allow states to collect sales taxes from online retailers. Proponents say sellers will get help navigating tax collection, but many retailers says complying will be burdensome and opens the door for unforeseen problems.
Medical marijuana has been legal in Colorado for more than a decade. Coloradans voted to legalize recreational use in November, but lawmakers say the industry can be properly regulated only if voters approve a new tax.
An arctic fox pup, just beginning to show its white winter coat, plays with a lemming carcass. Wrangel's foxes subsist largely on these snow-burrowing rodents, whose numbers fluctuate wildly from year to year.
Sergey Gorshkov/National Geographic