Imports fine for me, using gpg --import and then pasting just the part from the begin line to the end line (including the begin and end lines). I'm guessing you're either trying to import the entire message or you're leaving out the begin and end lines.

On Tue, Mar 15, 2016 at 4:10 AM, Steve Kinney <admin@pilobilus.net> wrote:
On 03/14/2016 07:50 PM, Sean Lynch wrote:
> On Sat, Mar 12, 2016 at 3:29 PM, Zenaan Harkness <zen@freedbms.net
> <mailto:zen@freedbms.net>> wrote:
>
>     I still find that signature of your Mike, just makes me so secure
>     about your 1 sentence email -warm fuzzies in my heart.
>
>     A toast, to Mike the trusty. <chink>
>
>     :)
>
>
> The message is not actually signed. It just has a public key attached.

Or a super sneaky secret message hidden in plain sight?

gpg --import yields:

gpg: invalid radix64 character 3A skipped
gpg: invalid radix64 character 2E skipped
gpg: invalid radix64 character 2E skipped
gpg: invalid radix64 character 3A skipped
gpg: invalid radix64 character 3A skipped
gpg: invalid radix64 character 2E skipped
gpg: invalid radix64 character 2E skipped
gpg: CRC error; 02A730 - 33E76E
gpg: [don't know]: invalid packet (ctb=55)
gpg: read_block: read error: Invalid packet
gpg: import from `[stdin]' failed: Invalid keyring
gpg: Total number processed: 0

:o)