Sen. Elizabeth Warren Elizabeth WarrenBiden's fiscal program: What is the likely market impact? Warren, Schumer introduce plan for next president to cancel ,000 in student debt The Hill's 12:30 Report - Presented by Facebook - Don't expect a government check anytime soon MORE (D-Mass.) is planning to travel to Israel, according to The Boston Globe, a move that could stoke speculation of challenging Hillary Clinton Hillary Diane Rodham ClintonJeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Momentum growing among Republicans for Supreme Court vote before Election Day Warning signs flash for Lindsey Graham in South Carolina MORE for the Democratic presidential nomination.

The Globe reports that a Warren aide said the senator will join a congressional delegation to Israel, probably sometime after the midterm elections.

The news comes after Clinton has sparked controversy from an interview in The Atlantic over the weekend, in which she appeared to criticize some aspects of President Obama's foreign policy.

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The liberal group MoveOn.org criticized Clinton's comments, and many liberals are hoping Warren will challenge her.

Warren so far has focused on domestic issues, not foreign policy, which the Israel trip could be an effort to address. Warren continually says she is not running for president.

The Globe notes that the comments Warren has made on foreign policy have stressed restraint and concern for civilian casualties.