Longtime NBC correspondent Martin Fletcher checked in from Thailand yesterday with a rather weird blog post. Heâs apparently been trying (without success) to gain entry into Tibet, Myanmar, and Zimbabwe to report on humanitarian issues. I suppose thatâs all well and good. According to Fletcher, heâs been working on it for three months, and is apparently feeling rather, eh, snubbed, because none of the governments are giving him an entry visa. His poetic waxing about the the U.S. of A., though,