The House this week could take up an emergency spending bill to address the US-Mexico border crisis, but it will not include funds for an Israeli missile defense program.

The Senate could act this week on a $3.5 billion supplemental that contains $225 million the Pentagon and Israeli leaders say is needed to begin replenishing that country’s Iron Dome interceptor missiles. Israeli officials say the system has saved countless lives in recent weeks by swatting away Hamas rockets fired from Gaza.

But House Republican leaders have opted against including the funds in the version of the border spending bill the lower chamber might vote on later this week, before leaving for a five-week recess. […]