Three articles about limiting work in progress so you can actually get things done:

“How finishing what you start makes teams more productive and predictable” by Lucas F. Costa:

“Despite the simple mathematics, when some managers see that work is taking longer to finish, they start more work hoping that starting tasks earlier causes them to finish earlier. This attitude leads to the exact opposite of the result they’d like to achieve: it increases cycle times.”

“Limiting Work In Progress as a Manager” by Erik Wiffin:

“By using focus blocks and working hours to limit the available 30-minute intervals in my calendar, I can effectively limit the potential “work in progress” (WIP) aka meeting time.”

“When Everything is Important But Nothing is Getting Done” on sharedphysics.com:

“Start With Project Number 1, Work on One Thing At a Time, In Order, Until It’s Done”