Possible Clues:

• Prevalent policy
• Political policy to which all must subscribe
• Official political policies
• *Political mantra
• Platform to follow
• Somehow learn pity for what politician follows
• Platform section next to end of railway track
• Alliance views shared link
• A policy more than one can call on
• Official political philosophy, and what the first words of 17-, 29-, and 48-Across represented in last week's voting booth