Possible Clues:

• Crazy Tea Party figure forced to accept that crooked Republican
• 26-Down attendee
• "Alice in Wonderland" character who says, "If you knew time as well as I do ... you wouldn't talk about wasting it"
• Crazy man had abused substance outside
• Eccentric that appears in strange dream
• Lewis Carroll character
• Another Wonderland creature (2 words)
• Tea drinker could be perceived as threat
• Count inviting Duke on a horse for host of party
• Participant in party in Wonderland