#1 - Feb. 19, 2009, 3:50 p.m.
It seems like you may be looking in the appropriate locations; however, have you verified that your filter settings are set appropriately?
When you speak with a Weapon Master, click the down-arrow next to the word "Filter" on the training page. Please ensure that "Available" is checked -- doing so should allow you to see Polearms on the list of available skills.