Advocacy and lobbying stories in this week's National Journal: (subscription)

• "Eight Key Hurdles For Health Care Overhaul:" National Journal looks at eight groups that will be pivotal to the outcome of health care reform. However carefully crafted, no reform bill that emerges from Congress will win over all of these key constituencies. But unless enough of them are on board, President Obama's signature policy issue will go down on Capitol Hill.
• "Campaign Finance Law Under Seige": The death of the 'millionaire's amendment' has emboldened opponents.
• "Probing Murky Trades": K Street works to defend lucrative, high-speed stock mechanisms from too much government regulation.
• "The Chamber Pile-On": Advocacy groups are pressing the U.S. Chamber of Commerce's members to break with the powerful organization.
• "Inside Washington:" Some union leaders looking ahead to next year worry that the Obama administration is not being aggressive enough in pushing labor's top agenda items, from the Employee Free Choice Act; A Q&A With Roger Hickey, co-director, Campaign for America's Future; a look at the off-hours work of Patton Boggs lobbyist Vinoda Basnayake.
• "On The Move": Amber Allman, 38, is a new director of global public affairs in the D.C. office of Yahoo; Jennifer Wood has left Constellation Energy to become vice president of the energy and environment practice at Financial Dynamics, a business communications and consulting firm Technology policy specialist Nicole Silverman is joining Qorvis Communications as a director.