CBC's David Common joins Power & Politics from Amman, Jordan, where he recaps the new Iranian supreme leader's vow to keep blocking a key waterway for oil shipments and reports that Iran may have put mines in the strait. CBC's Kyle Bakx discusses the possibility that a rollercoaster of oil price spikes could drive investment in Canada's oil industry. Plus, Public Safety Minister Gary Anandasangaree defends his government's new lawful access bill against questions about privacy.

Former NDP MP Lori Idlout joins the Liberals, letting them secure a majority if they win two of three April byelections. NDP president Mary Shortall and leadership candidate Heather McPherson react. Former Liberal Party campaign co-chair David Herle, former NDP director Anne McGrath and former Conservative chief of staff David McLaughlin debate the pains it could cause each party — including an even smaller NDP caucus, a Conservative Party drifting further from power and the difficulty of managing a 'razor-thin' Liberal vote advantage in the House. Plus, Nunavut Premier John Main discusses what he hopes the crossing of the territory's only MP will mean for its future.

Jobs Minister Patty Hajdu tells Power & Politics that her announcement of $228.8 million to reskill tariff-hit Ontario workers isn't a sign that her government is giving up on near-term U.S. tariff relief, instead calling it an 'insurance policy.' Plus, interim NDP Leader Don Davies says a Tuesday night parliamentary debate on the war in Iran failed to address his concerns about Prime Minister Mark Carney's response, saying Carney's support of U.S.-Israeli strikes is 'fundamentally wrong and a betrayal.'