The England research stop brought me back to unusually familiar ground, but never before had my visit coincided with that of a U.S. president. The result: a close-up view of protests.
Read MoreI started my trip a week ago, with a stopover in London -- my first in summer. After half a dozen visits there bundled in wool or down jackets, I couldn't get over the shirt-sleeves weather. I'd hoped to have more time there, but after a delay out of San Francisco, and more than an hour in the immigration line, I didn't meet my friend at the Royal Academy until 5:15.
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