For those interested in selling real estate, take note, staging is key for attracting buyers as empty rooms make the sell harder, experts say. A team of four D.C. real estate agents known for some of the priciest mansion sales in the region switched broker affiliation last week. HRLS Partners, whose agents include Robert Hryniewicki, Christopher Leary, Adam Rackliffe, and Micah Smith, moved from Washington Fine Properties to TTR Sotheby’s, less than a month after real estate giant Compass acquired WFP. HRLS Partners sold 69 multimillion-dollar properties in the D.C....