live Senate to debate expense audits amid greater scrutiny

The expenses scandal is dominating the first Senate session since the audits on senators Mike Duffy, Mac Harb and Patrick Brazeau were released and it was revealed Duffy's questionable expenses were repaid by a personal cheque from the prime minister's chief of staff. Follow our live blog. 7:21 PM ET

updated 'Very upset' Harper wants fast Senate spending reform

Prime Minister Stephen Harper told the Conservative caucus this morning that he's "very upset" about the recent conduct of some senators and his own office, and he wants Senate spending rules tightened quickly. 5:34 PM ET video

Watch 'Upset' Harper on Senate scandal 10:37

updated PM's South America trip turns focus from turmoil to trade

Prime Minister Stephen Harper left today for South America for four days of bilateral talks and trade meetings, after addressing his caucus over the growing Senate expense controversy. 10:53 AM ET

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    • Questions mount for Harper and chief of staff Nigel Wright in Senate scandal May. 18, 2013 1:15 PM This week on The House, with Senators Wallin and Duffy now out of the Conservative caucus, we get reaction from NDP Ethics critic Charlie Angus. We also hear directly from Senator Patrick Brazeau who says the Conservatives have thrown him under the bus. Plus we speak with B.C. Premier Christy Clark after her stunning victory.