Australia became the first country in the world to repeal a carbon tax on the nation's worst greenhouse gas polluters, as Prime Minister Tony Abbott made good on a campaign promise to get rid of the unpopular law.
The Senate voted 39 to 32 to eliminate the tax enacted by the previous center-left government two years ago. The law imposed the equivalent of a $22.60 tax per metric ton of carbon dioxide emissions on about 350 of the nation's worst polluters.
U.S. Treasury Secretary Jacob Lew says, there has been an uptick in the number of U.S. corporations moving their headquarters overseas in an effort to pay less tax. In a moment, we'll talk to David Wessel about what's allowing these moves to happen. We begin with NPR's Jim Zarroli.
Let's talk a little more now about the effort to refill the federal highway trust fund, which is expected to run out of cash later this summer. A short-term fix passed the house earlier this week, and the Senate is said to consider a similar measure - that's the short term. Then there's the question of the longer-term. One possible solution from the White House would let states collect tolls on interstate highways. They've been prohibited from doing that for decades. Here's NPR's Brian Naylor.
Now, this next story grows out of the Separation of Powers Clause of the Constitution. The document says the president nominates ambassadors who take office with the advice and consent of the Senate. In many cases, President Obama's choices have not received Senate consent.
RENEE MONTAGNE, HOST:
The administration has complained about the strategic effect of so many unfilled posts abroad. There's also a personal cost. More than 50 diplomats are awaiting confirmation.