Potomac primary

• 2016 United States presidential election
• Barack Obama
• Chesapeake Bay
• Crabcake
• Democratic Party presidential primaries, 2016
• District of Columbia
• District of Columbia Democratic primary, 2008
• District of Columbia Republican primary, 2008
• District of Columbia Republican primary, 2012
• Interstate 495 (Capital Beltway)
• John McCain
• Maryland
• Maryland Democratic primary, 2008
• Maryland Republican primary, 2008
• Maryland Republican primary, 2012
• Potomac River
• Republican Party presidential primaries, 2016
• Super Tuesday
• Virginia
• Virginia Democratic primary, 2008
• Virginia Republican primary, 2008
• opinion poll