The Senate filibuster is a hurdle to any national abortion bill. Democrats are campaigning on it

FILE - Sen. Susan Collins, R-Maine, speaks as Sen. Lisa Murkowski, R-Alaska, left, listens during a news conference, Feb. 15, 2018, at the Capitol in Washington. Several Democrats running for the Senate this year say they support overriding the filibuster, which requires a 60-vote supermajority to pass legislation, to protect reproductive rights if their party retains control of the chamber. Collins and Murkowski have introduced legislation meant to codify the protections that had been established by Roe v. Wade. (AP Photo/J. Scott Applewhite, File)

CHICAGO (AP) — Sen. Tammy Baldwin, facing a tough reelection fight in one of the races that will determine control of Congress, has made protecting reproductive rights a cornerstone of her campaign, and she's willing to back that up by pledging to change the Senate filibuster rules if Democrats retain control of the chamber.

The Wisconsin Democrat said taking that step is necessary to ensure that women in every state -– -– can decide for themselves whether to have an abortion. As part of her campaign, she warns that Republicans might also target the filibuster to impose a if they prevail in November.

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