1.   At the Apollo, both candidates tapped allies from the realms of politics, sports, and entertainment to showcase the depth of their black support.

2.   By using discussion groups, candidates can tap into issues and hear from voters.

3.   Candidates are tapping into gay politics with fund raisers, staff appointments and endorsements.

4.   If on-line companies such as Amazon.com can collect millions of dollars overnight in sales, can a presidential candidate tap the same market?

5.   Which presidential candidate taps into the boiling volcano of political emotion unleashed by the oil price ignition?