World watches US chaos with shock, dismay and some mockery

An Israeli couple sits near the Tel Aviv municipality building as it is lit up with the flag of the United States in Tel Aviv, Israel, Thursday, Jan. 7, 2021. Officials said the display is a sign of solidarity with the United States and support for democracy. (AP Photo/Sebastian Scheiner)

A Kenyan watches a news report on Kenyan TV, Thursday, Jan. 7, 2021, showing Britain's Prime Minister Boris Johnson Twitter comment among World leaders reaction to the U.S. Capitol demonstrations on Wednesday, Jan. 6, 2021, in Washington, USA. (AP Photo/Sayyid Abdul Azim)

German Chancellor Angela Merkel is seen on a screen, making a statement on the events in Washington with the storming of the Capitol by Trump supporters at the beginning of the digital press conference at the winter retreat of the CSU parliamentary group in the Bundestag, Berlin, Germany, Thursday, Jan. 7, 2021. (Kay Nietfeld/Pool via AP)

A currency trader works in front of a screen which shows a report on a mob by U.S. President Donald Trump supporters, at the foreign exchange dealing room of the KEB Hana Bank headquarters in Seoul, South Korea, Thursday, Jan. 7, 2021. (AP Photo/Ahn Young-joon)

A man reads a newspaper reacting to the news of the assault on U.S Congress, on a street in Lagos, Nigeria, Thursday Jan. 7, 2021. News reports show police with gun drawn as protesters try to break into the House Chamber at the U.S. Capitol on Wednesday, Jan. 6, in Washington, USA.(AP Photo/ Sunday Alamba)

PARIS — As the world watched American institutions shaken to the core by an angry mob, officials and ordinary citizens wondered: How fragile is democracy, and how much stress could their own political systems withstand?