Can't connect to www.paypal.com:443 (certificate verify failed)

LWP::Protocol::https::Socket: SSL connect attempt failed error:14090086:SSL routines:SSL3_GET_SERVER_CERTIFICATE:certificate verify failed at /usr/local/share/perl5/LWP/Protocol/http.pm line 47.

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LWP 6.13
LWP::Protocol::https 6.06
IO::Socket::SSL 2.015
Mozilla::CA 20141217 (note I've tried the script both using Mozilla::CA and without it... results have been the same)