Susan Davis

In the swing states of Pennsylvania, Ohio and Florida, Republican Senate campaigns are calibrating how to run races where some GOP voters are energized, and others outraged by the party's nominee.

While much of the election coverage is focused on the presidential race, seats in Congress are also up for grabs in November.

Republican leaders are weighing whether they and the party should still support Donald Trump's presidential campaign. Speaker Paul Ryan told members they should "do what's best for you in your district."

Reince Priebus made clear the RNC is fully behind Donald Trump just after Paul Ryan told his members to "do what's best for you in your district" and that he will no longer defend the GOP nominee.

More Republican leaders called for Donald Trump, who was caught on tape in 2005 bragging about groping women, to drop out the race. NPR's Rachel Martin talks to Congressional reporter Sue Davis.

NPR takes a look at the 2016 Senate races that matter to GOP prospects of maintaining control of the chamber.

John Boehner is joining the board of tobacco giant Reynolds American Inc.

A faction of the House's most conservative lawmakers secured a deal to delay an impeachment vote in exchange for a House Judiciary Committee hearing next Wednesday.

The U.S. House of Representatives passed a bill Friday allowing victims of the Sept. 11, 2001 attacks to sue Saudi Arabia for any role the country may have played in those attacks. The bill already passed in the Senate and will almost certainly get a veto from President Obama.

House Republicans are debating whether to move forward with trying to impeach IRS Commissioner John Koskinen. The debate is a fallout from the 2013 IRS scandal, in which conservative groups were unfairly targeted for seeking tax-exempt status. Conservatives are pushing reluctant GOP party leaders to move forward, but there is skepticism that this is a smart move so close to Election Day.

After a 7-week summer break, Congress returns to Capitol Hill. Lawmakers are scheduled to spend the month of September on a very short to-do list before leaving again ahead of November' election.

There are only two must-pass items on the agenda: a short-term funding bill to keep the government running past Sept. 30, and a separate funding bill to combat the spread of the Zika virus.

After their hastily arranged meeting in Mexico on Wednesday, President Enrique Peña Nieto disputed Donald Trump's claim that payment for the proposed border wall had not been discussed.

Republican Sens. John McCain of Arizona and Marco Rubio of Florida are favored to win their GOP primaries on Tuesday. So is Democrat Debbie Wasserman Schultz despite angry opposition.

GOP Sen. Pat Toomey and his Democratic opponent, Katie McGinty, are battling it out in the Philadelphia-area suburbs.

Women are the decisive vote in the Pennsylvania Senate race, where Democratic challenger Katie McGinty is seeking to oust GOP Sen. Pat Toomey. They are competing for women voters worried about economic and national security. The battleground is the Philadelphia-area suburbs.

Senate Republicans are bracing for down-ballot losses that are likely to cost the party their Senate majority this year.

The GOP presidential nominee has made similar incendiary remarks in the past that link rival Hillary Clinton to the Islamic State.

Focus groups with swing, female voters in Ohio and Arizona reveal that negative attitudes saturate a critical bloc of voters this year.

Donald Trump, who has begun to slip in the polls, has charged that the outcome of November's election will be "rigged." President Obama blasted that as "ridiculous" in a wide-ranging news conference.