Mika Simmons

No president has the authority to rewrite election law by executive order.

So far, the executive order President Trump signed in March has not directly affected mail-in voting for this year's elections.

It calls for the U.S.

Postal Service to come up with lists of eligible voters and deliver mail-in ballots only to people on those lists.

USPS is financial support of NPR.

Mika Simmons is an attorney for Delta Sigma Theta Sorority, one of the order's challengers.

A federal judge in Boston is now weighing whether Trump's order violates the Constitution, which gives power to state legislatures and Congress, not the president, to set federal election rules.

On Zila Wong, NPR News.